|Comcast Cable (1981-2010)|
|Founded||April 2, 1981 (as Comcast Cable)|
(President & CEO)
(President, Consumer Services)
(EVP, Xfinity Services)
|Products||Cable television, Mobile, Broadband internet, VoIP phone, Home security|
|Revenue||US$52.52 billion (2017)|
|US$21.17 billion (2017)|
|Total assets||US$186.95 billion (2017)|
|Total equity||US$69.45 billion (2017)|
Xfinity is a trade name of Comcast Cable Communications, LLC, a subsidiary of the Comcast Corporation, used to market consumer cable television, internet, telephone, and wireless services provided by the company. The brand was first introduced in 2010; prior to that, these services were marketed primarily under the Comcast name.
In February 2010, Comcast began to re-brand its consumer triple play service offerings under the name Xfinity; Comcast Digital Cable was renamed "Xfinity TV", Comcast Digital Voice became "Xfinity Voice", and Comcast High Speed Internet became "Xfinity Internet". The re-branding and an associated promotional campaign were scheduled to coincide with the 2010 Winter Olympics.
The rebranding was characterized by the media as an effort to sidestep the negativity of the Comcast brand. Time considered Xfinity to be among the worst corporate renamings of all time, asking "Will the name change work? Probably not, but at least it'll sound a bit edgier when you're put on hold...with Xfinity."
Comcast Internet availability by state
|State||Percentage of State's Population With Access to Comcast|
|District of Columbia||97.9%|
|Delaware||Undefined (needs answer)|
Comcast is the largest provider of cable internet access in the United States, servicing 40% of the market in 2011. As of July 26, 2018, Comcast has 26.5 million high-speed internet customers. Comcast began offering internet services in late 1996, when it helped found the @Home Network, which sold internet service through Comcast's cable lines. The agreement continued after @Home's merger with Excite. When the combined company Excite@Home filed for bankruptcy in 2002, Comcast moved their roughly 950,000 internet customers completely onto their own network.
Along with the price of internet subscriptions, Comcast charges users an additional $13.00/month to rent a cable modem. This fee has been seen by some as unfair, but is waived for customers who buy their own modems. Comcast charges $20 for internet installation, but the fee is waived for customers who opt to install themselves.
In 2011, Comcast launched its "Internet Essentials" program, which offers low-cost internet service to families with children who qualify for free or reduced price school lunches. The U.S. Federal Communications Commission (FCC) required this budget service as a condition for allowing Comcast's acquisition of NBCUniversal in January 2011. Of an estimated 2.60 million households eligible for the program, about 220,000 households participate in the program as of June 2013. A similar program is available from other internet providers through the non-profit Connect2compete.org. Comcast has stated that the program will accept new customers for a total of three years. In March 2014, as he met with FCC concerning the Time Warner Cable merger, Comcast vice president David Cohen told reporters that the internet essentials program will be extended indefinitely.
At the 2017 Consumer Electronics Show, Comcast unveiled a new software platform for its Arris 1682G and Cisco 3941T/3939 modems, which would offer a redesigned configuration interface, support for remote setup and management via an Xfinity mobile app, and enabling integration of supported smart home devices with other Xfinity platforms such as Xfinity TV. The new platform launched under the brand xFi in May 2017. Comcast also unveiled the xFi Advanced Gateway, a new router designed to facilitate faster Wi-Fi speeds, including support for 802.11ac Wave 2, as well as internal support for Bluetooth Low Energy, Thread, and Zigbee for finer integration with Internet of things devices, and support for an accompanying line of Wi-Fi extenders (manufactured by Plume).
Comcast operates a network of public Wi-Fi hotspots for Xfinity internet subscribers known as Xfinity WiFi, which consists of a mixture of hotspots installed in public locations and businesses, and those generated by supported Xfinity home gateways on an opt-out basis. Users on the "Performance" tier or higher receive unlimited usage of these hotspots after signing in with their Xfinity Account. By default, all dual-band Xfinity home gateways operate both a private network, and a public network with the SSID "xfinitywifi." To conserve bandwidth, these hotspots are capped at 5 simultaneous users. Customers can opt out of providing Xfinity WiFi through either the Comcast website, or by installing a third-party router.
Comcast has received criticism for this practice, with critics arguing that the company was abusing customer resources (including bandwidth and electricity) to provide services for other customers, as well as concerns regarding security, and liability for actions performed by users while connected to these home hotspots; in 2014, a proposed class action lawsuit was filed in California, citing violations of the Computer Fraud and Abuse Act and similar state laws for these reasons. Comcast defended the service by stating that the public Wi-Fi is firewalled from devices connected to the in-home network, was designed to have minimal bandwidth impact to "support robust usage", and that customers would not be liable for the actions of other users, as abusers can be traced by means of the Xfinity account they used to sign into the network. The lawsuit was taken to arbitration.
Initially, Comcast had a policy of terminating broadband customers who use "excessive bandwidth", a term the company refused to define in its terms of service, which once said only that a customer's use should not "represent (in the sole judgment of Comcast) an overly large burden on the network". Company responses to press inquiries suggested a limit of several hundred gigabytes per month. In September 2007, Comcast spokesman Charlie Douglas said the company defined "excessive use" as the equivalent of 30,000 songs, 250,000 pictures or 13 million emails in a month.
Comcast introduced a 250 GB monthly bandwidth cap to its broadband service on October 1, 2008, combining both upload and download towards the monthly limit. If a user exceeded the cap three times within six months, the customer's residential services may have been terminated for one year. A spokesperson stated that this policy had been in place for some time, but was the first time Comcast has announced a specific usage limit.
As the cap provoked a strongly negative reaction from some, Comcast decided to modify its policy in 2012. Under the new system, the cap was replaced with a data threshold and increased to 300GB in some markets, and consumers who exceed this threshold are charged $10 for every 50 GB above the limit. Customers could purchase a $30 add-on for "unlimited" data. In a leaked memo, Comcast employees were instructed to state that the policy is for "Fairness and providing a more flexible policy to our customers", and not for controlling network congestion.
On April 27, 2016, Comcast announced that it would raise its data threshold in trial markets to 1 TB by June 2016; the company stated that "more than 99 percent of our customers do not come close to using a terabyte." The decision to raise the cap came following implication of increased scrutiny surrounding them by the FCC: in its approval of Charter Communications' purchase of Time Warner Cable, the Commission stipulated that Charter must not implement caps. As previously, a $10 overage fee is charged for every 50 GB above the limit, and customers can purchase an add-on for "unlimited" data, but its price was increased to $50. In October 2016, Comcast announced that bandwidth thresholds would be implemented in the majority of its markets (outside of New York and the northeast) beginning November 1, 2016. The data usage plan does not currently apply to the Gigabit Pro tier of service, Business Internet customers, customers on Bulk Internet agreements, and customers with Prepaid Internet.
Network management and peering
In September 2007, a rumor emerged among tech blogs that Comcast was throttling or even blocking internet traffic transmitted via the BitTorrent protocol. Comcast vehemently denied the accusations of blocking traffic, stating that "Comcast does not, has not, and will not block any Web sites or online applications, including peer-to-peer services", and that "We engage in reasonable network management". After more widespread confirmation that Comcast was throttling BitTorrent traffic, Comcast said it occasionally delayed BitTorrent traffic in order to speed up other kinds of data, but declined to go into specifics. Following the announcement of an official investigation by the FCC, Comcast voluntarily ended the traffic discrimination. The FCC investigation concluded that Comcast's throttling policies were illegal. However, after filing a lawsuit in September 2008, Comcast overturned the illegality of its network management in 2010, as the court ruled that the FCC lacked the authority to enforce net neutrality under the FCC's then current regulatory policy. The court suggested instead of its current framework, the FCC move to a common carrier structure to justify its enforcement. As of February 2014, the FCC has announced a new justification, but avoided the more extensive regulation required by the common carrier framework.
In 2010, Netflix signed an agreement with Level 3 Communications to carry its data. Shortly after, Level 3 entered a heated dispute concerning whether Level 3 would have to pay Comcast to bridge their respective networks, in an agreement known as peering. The disagreement continued as Netflix's current carrier, Cogent Communications, explicitly placed blame for Netflix bottlenecks on Comcast and several other ISPs. In February 2014, after rumors surfaced that Comcast and Netflix had reached an unspecified agreement, the companies confirmed that Netflix was paying Comcast to connect to its network. The details of the agreement are not public, and speculation disagrees about whether the agreement is a precedent against net neutrality, or a continuation of normal peering agreements.
Land line telephone
Xfinity Voice (formerly Comcast Digital Voice) is a landline telephone service that was launched in 2005 in select markets, and to all of Comcast's markets in 2006. Comcast's older service, Comcast Digital Phone, continued to offer service for a brief period, until Comcast shut it down around late 2007. In 2009, after completing transition from their old service, Comcast had 7.6 million voice customers. As of the end of 2013, Comcast Digital Voice had reached 10.7 million subscribers.
Xfinity Voice allows communication over the internet using VoIP, but uses a private network instead of a public IP address, which allows Comcast to prioritize the voice data during heavy traffic. In technical terms, on Comcast's Hybrid Fiber Coaxial network, calls are placed into individual Unsolicited Grant Service flows, based on DOCSIS 1.1 Quality of service standards. For the customer, this has the benefit of preventing network congestion from interfering with call quality. However, this separation of traffic into separate flows, or Smart pipe, has been seen by some as a violation of net neutrality, who call instead for equal treatment of all data, or dumb pipe. Other, non-Comcast VoIP services on Comcast's network must use the lower priority public IP addresses. The practice was questioned by the FCC in 2009. In their response, Comcast stated that services that use telecommunications are not necessarily telecommunications services, and noted the FCC's current designation of Comcast Digital Voice as an information service exempted it from telecommunications service regulations. Comcast also said that because Comcast Voice was a separate service, it was unfair to directly compare the data for Comcast Voice with the data for other VoIP services.
Because telephone services over VoIP are not automatically tied to a physical address, Xfinity Voice utilizes E911 to help 911 service operators to automatically locate the source of the 911 call. Voice calls are delivered as a digital stream over the Comcast network, signal is converted to analog plain old telephone service lines at the cable modem, which outputs on standard analog RJ-11 jacks.
Comcast's cable television customers peaked in 2007, with about 24.8 million customers. Comcast had lost customers every year since 2007, with the first quarterly gain in customers since their peak occurring in the fourth quarter of 2013. As of the end of 2013, Comcast serves a total of 21.7 million cable customers. The average cost Comcast's Digital Basic cable subscription has increased 72% from 2003 to 2012. In Q4 2015, Comcast added 89,000 new video subscribers which was their best result in 8 years.
In addition to the prices of subscriptions, since July 2012, Comcast charges a Regulatory Recovery Fee of varying size in order to "recover additional costs associated with governmental programs." Beginning in January 2014, Comcast also charges a Broadcast TV Fee to "defray the rising costs of retransmitting broadcast television signals."
In May 2012, Comcast soft launched X1 (codenamed "Xcalibur"), a new hardware and software platform for its television services, in Boston. It provides more extensive support for integrated internet content, as well as apps for video streaming services, and a remote control that accepts voice recognition input. It was scheduled for a wider, nationwide availability by the end of 2013.
Beginning in the mid-2000s, television stations increasingly required cable companies like Comcast to pay retransmission fees in exchange for permission to broadcast their content. (Historically, TV broadcasters made money almost exclusively through advertising.) These fees have been the subject of heated negotiation between broadcasters and distributors, with a few high-profile blackouts prompting the U.S. Federal Communications Commission to publicly express serious concern in 2011. Comcast has ten year agreements with CBS and Disney, as well as deals with Fox and others, but the financial details of these deals are not public.
Since the rise of retransmission fees, distributors like Comcast pay substantial fees for retransmitting broadcast television, which is free over the air for consumers. Comcast has instated a $1.50 Broadcast TV Fee to cover part of the cost of getting permission from stations to retransmit the free stations, itemized separately for consumers. Comcast's subsidiary, NBCUniversal, was one of several broadcasters party to American Broadcasting Cos. v. Aereo, Inc., over the question of whether Aereo is a retransmitter (which would require it to pay retransmission fees). The case was decided on June 25, 2014 in favor of the broadcasters in a 6-3 decision.
Home security and automation
Comcast offers a home security and home automation service known as Xfinity Home, in some of its service areas. This service provides residential customers a monitored burglar and fire alarm, surveillance cameras, and home automation. Critics of their technology found that "thieves can easily undermine the system to trick homeowners into thinking they’re protected when they’re not." Wired magazine reported the vulnerability has the potential to attract thieves, quoting security expert Tod Beardsley: "The sign that is designed to deter attackers can now become a sign that invites attackers.
|Greg Butz (President)|
In April 2017, Comcast launched Xfinity Mobile, a mobile virtual network operator (MVNO) on the Verizon Wireless network. It is promoted as being part of a quadruple play with Xfinity television, internet, and home phone services.
Xfinity Mobile provides prepaid (with users able to purchase data in 1 GB bundles) and monthly unlimited plans, with the latter throttled after 20 GB of use. The service is sold exclusively to Comcast internet and television subscribers, with discounted pricing offered to Xfinity "Premier Double Play" and "Triple Play" subscribers. Access to Xfinity WiFi hotspots is also included, which is promoted as a means to help conserve bandwidth caps.
Analysts perceived Xfinity Mobile as being a response to AT&T's acquisition of DirecTV, which added the national satellite provider alongside its existing wireline and wireless services, and an increased push towards mobile television. In the third quarter of 2018, Xfinity Mobile surpassed 1 million subscribers.
In addition to residential consumers, Comcast also serves businesses as customers, targeting small businesses with fewer than 20 employees and mid-sized businesses of 20–500 employees. In 2009, Minneapolis–Saint Paul became the first city in which Comcast Business Class offered 100 Mbit/s Internet service, which includes Microsoft Communication Services. Comcast Business Class Internet service does not have a bandwidth usage cap.
Comcast Business services used to be sold exclusively through direct sales employees. In March 2011, Comcast created an indirect sales channel called the Solution Provider Program, a comprehensive indirect channel program that enables telecommunications consultants and system integrators to sell Comcast's services such as Business Class Internet, Voice, and high-capacity Ethernet services to small and mid-market businesses. The program offers recurring commissions for sales partners based on monthly revenue, and Comcast will provide, install, manage and bill for these services. For the initial launch of the Solutions Provider Program, Comcast enlisted three national master representatives—Telarus, based in Salt Lake City, Utah; Intelisys, based in Petaluma, California; and Telecom Brokerage Inc (TBI), based in Chicago. Sub-agent sales partners must work with one of these three partners in the early stages of the program.
- "Comcast Cable Communications 2000 FORM 10-K". US Securities and Exchange Commission. March 16, 2001. Retrieved March 13, 2014.
- "Comcast Names Dave Watson CEO of Cable, Neil Smit Assumes Vice Chairman Role". March 20, 2017.
- "Comcast Hires Dana Strong as President, Consumer Services".
- "Comcast Corp. 2017 Annual Report".
- "Company Overview of Comcast Cable Communications, LLC". Bloomberg L.P. February 28, 2014. Retrieved February 28, 2014.
- "Comcast Holds 2007 Annual Meeting of Shareholders". Comcast. May 23, 2007. Retrieved February 23, 2014.
- "Comcast Reports 4th Quarter and Year End 2016 Results".
- Bray, Hiawatha (February 13, 2010). "Comcast enters rebranding territory". The Boston Globe.
- Fernandez, Bob (February 3, 2010). "Comcast unveils new brand name and logo". The Philadelphia Inquirer. Archived from the original on April 11, 2010. Retrieved March 15, 2010.
- ''Comcast seeks reputation change with Xfinity brand'', Yinka Adegoke, Reuters, February 9, 2010. Reuters.com. Retrieved on July 8, 2011.
- Comcast Xfinity Rebranding Largely Laughed At, DSLreports.com, February 8, 2010. Dslreports.com. Retrieved on July 8, 2011.
- Gregory, Sean. (February 7, 2010) Comcast's New Name: Rated X?, Sean Gregory, Time Magazine, February 7, 2010. Time.com. Retrieved on July 8, 2011.
- Suddath, Claire. (February 8, 2010) Top 10 Worst Corporate Name Changes, Claire Suddath, Time Magazine, February 8, 2010. Time.com. Retrieved on July 8, 2011.
- "Comcast availability by state". HighSpeedInternet.com. Retrieved August 26, 2016.
- "3 MILLION ADDED BROADBAND FROM TOP CABLE AND TELEPHONE COMPANIES IN 2011". Leichtman Research Group. March 16, 2012. Retrieved March 10, 2014.
- "Comcast +3.6% as Internet subs spur healthy profit". July 26, 2018.
- BLOOMBERG NEWS (March 30, 2000). "Comcast, Cox extend Excite@Home deal". The Baltimore Sun. Retrieved February 19, 2014.
- MATT RICHTEL (January 4, 2002). "TECHNOLOGY; Comcast Copes With Internet Problems". New York Times. Retrieved February 19, 2014.
- Tim Wu (February 14, 2014). "The Real Problem with the Comcast Merger". The New Yorker. Retrieved February 17, 2014.
- Matt Burns (September 16, 2009). "Comcast to (likely) fill its coffers by raising the cable modem rental fee". TechCrunch. Retrieved February 17, 2014.
- Josh Smith (September 21, 2009). "Beat the Comcast cable modem price hikes -- buy your own". Daily Finance. Retrieved February 17, 2014.
- Drew Dixon (December 6, 2011). "Comcast to hike prices in communication packages, lower installation costs". The Florida Times-Union. Retrieved February 20, 2014.
- "Comcast Introduces New Triple Play Self-Install Kit". Business Wire. May 9, 2011. Retrieved February 20, 2014.
- David Murphy (August 7, 2011). "Comcast Launches Low-Cost Internet for Low-Income Families". PC Magazine. Retrieved February 14, 2014.
- "SECOND ANNUAL COMPLIANCE REPORT ON INTERNET ESSENTIALS(pp 10)" (PDF). Comcast. July 31, 2013. Retrieved March 19, 2014.
- Brad Tuttle (September 20, 2012). "Why Aren't More Families Signing Up for Cheap Internet Service?". Time. Retrieved March 5, 2014.
- Chozick, Amy (January 20, 2013). "Mixed Response to Comcast in Expanding Net Access". The New York Times. Retrieved January 21, 2013.
- Homepage connect2compete.org accessed January 21, 2013
- Todd Shields (March 4, 2014). "Comcast Pledges Low-Cost Web as It Meets on Time Warner". Bloomberg L.P. Retrieved March 5, 2014.
- "Comcast's xFi Advanced Gateway modem is now available nationwide". Engadget. Retrieved May 23, 2018.
- "Comcast is trying to get in on the mesh router hype". The Verge. Retrieved May 23, 2018.
- "Comcast launches Xfinity xFi, turning gateways into Wi-Fi systems". CNET. May 7, 2017. Retrieved May 23, 2018.
- "Watch out, Wi-Fi systems! Comcast is transforming its Xfinity gateway to a smart digital home platform". CNET. January 4, 2017. Retrieved May 23, 2018.
- "Report: Comcast's public Xfinity WiFi program actually costs you money". ExtremeTech. Retrieved April 6, 2017.
- "To Xfinity WiFi we're all hotspots, but you don't have to be". PC World. July 2, 2014. Retrieved April 6, 2017.
- "Comcast XFINITY WiFi: Just say no". Computerworld. June 28, 2014. Retrieved April 6, 2017.
- "Comcast sued by customers for turning routers into public hotspots". Ars Technica. Retrieved April 6, 2017.
- "It's Totally Possible That Your Router Is Broadcasting Public Wi-Fi Right Now". Slate. January 28, 2016. Retrieved April 6, 2017.
- "Comcast opens its 137,000 Xfinity WiFi hotspots in Florida for all to use for free". Miami Herald. Retrieved September 7, 2017.
- Comcast, ''Comcast High-Speed Internet Acceptable Use Policy''. Comcast.net. Retrieved on July 8, 2011.
- Carolyn Y. Johnson, "Not so fast, broadband providers tell big users", The Boston Globe
- "Say Good Night, Bandwidth Hog", The New York Times
- "Comcast Clarifies High Speed Extreme Use Policy, September 14, 2007". Retrieved December 1, 2007.
- Comcast 250GB Cap Goes Live October 1. Broadbandreports.com (August 28, 2008). Retrieved on July 8, 2011.
- "Frequently Asked Questions about Excessive Use". Comcast.net. October 1, 2008. Archived from the original on March 3, 2009. Retrieved July 8, 2011.
- Chloe Albanesius (August 28, 2008). "Comcast to Cap Data Transfers at 250 GB in Oct". PC Magazine. Retrieved February 20, 2014.
- Peter Glaskowsky (September 3, 2008). "Comcast's usage cap: Is the sky really falling?". Cnet. Retrieved February 20, 2014.
- Ryan Singel (May 17, 2012). "Comcast Suspends Data Cap Temporarily, Will Test New Overage Fees". Wired. Retrieved February 20, 2014.
- Marguerite Reardon (May 17, 2012). "Comcast ditches 250GB data cap, tests tiered pricing". Cnet. Retrieved February 20, 2014.
- Dante D'Orazio (November 7, 2015). "Leaked Comcast memo reportedly admits data caps aren't about improving network performance". The Verge. Retrieved October 7, 2016.
- "Comcast is raising its monthly internet data cap to 1TB". The Verge. Vox Media. April 27, 2016. Retrieved April 28, 2016.
- "Most Comcast customers now have a 1TB home internet data threshold". The Verge. October 6, 2016. Retrieved October 7, 2016.
- "XFINITY Data Usage Center - FAQ". Dataplan.xfinity.com. Retrieved December 7, 2016.
- Ernesto (August 17, 2007). "Comcast Throttles BitTorrent Traffic, Seeding Impossible". TorrentFreak. Retrieved February 25, 2014.
- Andy Patrizio (November 2, 2007). "Comcast Again Denies P2P Throttling". Internet News. Retrieved February 25, 2014.
- Peter Svensson (November 19, 2007). "Comcast Blocks Some Internet Traffic". Retrieved February 25, 2014.
- BRAD STONE (October 22, 2007). "Comcast: We're Delaying, Not Blocking, BitTorrent Traffic". New York Times Bits. Retrieved February 25, 2014.
- Ryan Paul (January 9, 2008). "FCC to investigate Comcast BitTorrent blocking". ArsTechnica. Retrieved February 25, 2014.
- Julia Boorstin (March 27, 2008). "Comcast and BitTorrent: Enemies Become "Net-Neutral" Friends". CNBC. Retrieved February 25, 2014.
- Declan McCullagh (August 1, 2008). "FCC formally rules Comcast's throttling of BitTorrent was illegal". Cnet. Retrieved February 25, 2014.
- Comcast sues FCC over network management finding. Multichannel.com. Retrieved on February 9, 2013.
- Declan McCullagh (April 6, 2010). "Court: FCC has no power to regulate Net neutrality". Cnet. Retrieved February 25, 2014.
- EDWARD WYATT (February 19, 2014). "F.C.C. Seeks a New Path on 'Net Neutrality' Rules". New York Times. Retrieved February 25, 2014.
- Adi Robertson (February 19, 2014). "The FCC has a plan to save net neutrality, but no one likes it". TheVerge. Retrieved February 25, 2014.
- Stacey Higginbotham (November 29, 2010). "Level 3, Comcast in a Cat Fight Over Online Video". Gigaom. Retrieved February 25, 2014.
- Ben Gilbert (February 21, 2014). "Netflix's internet provider claims Verizon, Comcast and Time Warner are causing streaming bottlenecks (update)". Endgadget. Retrieved February 25, 2014.
- Stacey Higginbotham (February 21, 2014). "Sources: Netflix and Comcast have reached a peering agreement". Gigaom. Retrieved February 25, 2014.
- Dawn C. Chmielewski (February 23, 2014). "Netflix to pay Comcast for smoother online video streaming". LA Times. Retrieved February 25, 2014.
- Sam Gustin (February 23, 2014). "Comcast's Traffic Pact With Netflix Is Shrouded in Secrecy". Time. Retrieved February 27, 2014.
- Joshua Brustein (February 24, 2014). "Netflix's Deal With Comcast Isn't About Net Neutrality—Except That It Is". Bloomberg L.P. Retrieved February 27, 2014.
- Ben Charny (January 10, 2005). "Comcast pushes VoIP to prime time". Cnet. Retrieved February 17, 2014.
- MARK PETERS (October 17, 2007). "Comcast Ends Older Phone Service". Hartford Courant. Retrieved March 8, 2014.
- "Comcast Reports Fourth Quarter and Year End 2009 Results". February 3, 2010. Retrieved March 8, 2014.
- "Comcast Reports 4th Quarter and Year End 2013 Results". Comcast. January 28, 2014. Retrieved March 8, 2014.
- Leichtman Research Group, "Research Notes," First Quarter 2012, pg. 5. The company first gained status as the USA's third largest phone company in 2009. See: Comcast Now Third Largest Phone Company, DSLreports.com, March 11, 2009.
- Leslie Ellis (February 17, 2006). "Smart Pipes, Dumb Pipes and QoS". MultiChannel. Retrieved March 8, 2014.
- Stacey Higginbotham (January 19, 2009). "FCC Asks if Comcast Slows Rivals' VoIP Traffic". Gigaom. Retrieved March 7, 2014.
- Kathryn A. Zachem (January 30, 2009). "In the Matter of Formal Complaint of Free Press and Public Knowledge Against Comcast Corporation for Secretly Degrading Peer-to-Peer Applications, File No. EB-08-IH-1518" (PDF). Comcast. Retrieved March 8, 2014.
- Matthew Lasar (February 3, 2009). "Comcast defends itself against FCC's VoIP probe". ArsTechnica. Retrieved March 8, 2014.
- Comcast Corp. "Comcast Launches Comcast Digital Voice(R) Phone Service in Santa Barbara County". PR Newswire. Retrieved March 11, 2014.
- "Comcast Reports Fourth Quarter and Year End Results". Comcast. February 18, 2009. Retrieved February 16, 2014.
- Bob Fernandez (January 9, 2014). "Comcast reverses trend, gains TV subscribers". The Philadelphia Inquirer. Retrieved February 17, 2014.
- "Comcast Reports 4th Quarter and Year End 2013 Results". Comcast. January 28, 2014. Retrieved February 17, 2014.
- Mike Rogoway (August 22, 2012). "Comcast moderates its annual cable TV rate hike, but the cost of Internet access is rising faster". The Oregonian. Retrieved February 23, 2014.
- "Comcast shrugs off years of cord-cutting losses, adds 89K TV customers". Ars Technica. Retrieved October 8, 2016.
- Phillip Dampier (July 10, 2012). "Comcast's Nationwide Rate Increase: Bill Padding "Regulatory Recovery" Fees Have Arrived". Stop The Cap. Retrieved February 17, 2014.
- Mike Farrell (November 22, 2013). "Comcast to Introduce $1.50 Broadcast TV Fee". MultiChannel. Retrieved February 17, 2014.
- "Comcast's X1 cable boxes now serve up YouTube videos alongside traditional TV". TechCrunch. Retrieved May 23, 2018.
- "Comcast officially launches next-gen X1 DVR platform and iPhone remote app (update: video)". Engadget. Retrieved May 23, 2018.
- "Comcast's X1 availability widens, mass-deployment still planned by year's end". Engadget. Retrieved May 23, 2018.
- "Comcast's redesigned X1 voice remote can locate your cellphone". The Verge. Retrieved May 23, 2018.
- Roger Yu (August 2, 2013). "Retransmission fee race poses questions for TV viewers". USA Today. Retrieved February 18, 2014.
- Katy Bachman (March 3, 2011). "FCC to Consider Forcing B'casters, Distributors to Play Nice". AdWeek. Retrieved February 18, 2014.
- BRIAN STELTER (August 2, 2010). "CBS and Comcast Reach a 10-Year Deal on Fees". New York Times. Retrieved February 18, 2014.
- "Disney-Comcast Make 10-Year Xfinity Multi-Platform Deal (Breaking)". Reuters. January 4, 2012. Retrieved February 18, 2014.
- Damon Poeter (February 12, 2013). "Fox, Comcast Re-Up Xfinity Content Deal". PC Magazine. Retrieved February 17, 2014.
- Bob Fernandez (January 6, 2014). "Fight continues over cable retransmission fees". The Philadelphia Inquirer. Retrieved February 18, 2014.
- American Broadcasting Companies v. Aereo, 573 U. S., (slip op.)
- Zetter, Kim (January 6, 2016). "Comcast Xfinity Home Security System Leaves Home-Owners Unsecured". Slate. Retrieved August 4, 2017.
- Zetter, Kim (January 5, 2016). "Xfinity's Security Stystem Flaws Open Homes to Thieves". Wired. Retrieved August 4, 2017.
- "Editor's Corner—Comcast Xfinity Mobile is a no-frills MVNO service primarily designed to prevent churn". FierceWireless. Retrieved January 6, 2020.
- "Comcast wants to be your new cellphone carrier. Here's everything you need to know". Washington Post. April 6, 2017. Retrieved January 5, 2020.
- "Comcast plunges again into cell phone service. Can it overcome past failures?". Philly.com. Retrieved April 6, 2017.
- "Comcast Surpasses 1M Xfinity Mobile Lines". Light Reading. Retrieved January 6, 2020.
- Comcast Speeds Up Business High-Speed-Data Offering, Glen Dickson, Broadcasting & Cable, April 29, 2008.
- Comcast Launches 100 Mbps High-Speed Internet Service for Businesses in the Twin Cities, Business Wire press release, September 8, 2009.
- "Comcast Business Class Overview". Business Class Cable News. Retrieved March 20, 2012.
- "Comcast Business Services Extends Availability of its Metro Ethernet Services through its Solutions Provider Program". Business Wire. August 24, 2011.
- Henderson, Khali (March 14, 2011). "Comcast Launches Agent Program". Channel Partners. Retrieved March 14, 2011.