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| company_logo = [[Image:Tumblrfull.svg|200px|Tumblr logo]]
| company_logo = [[Image:Tumblrfull.svg|200px|Tumblr logo]]
| company_type = [[Privately held company|Private]]
| company_type = [[Privately held company|Private]]
| location_city = [[New York City]],<ref>{{cite web|url=http://www.tumblr.com/about/#press |title=Press Info |accessdate=2010-11-07}}</ref> [[New York]]
| location_city = [[New York City]],<ref>{{cite web|url=http://www.-strong.tumblr.com/ |title=Press Info |accessdate=2010-11-07}}</ref> [[New York]]
| location_country = USA
| location_country = USA
| foundation = 2007
| foundation = 2007
| key_people = [[David Karp (entrepreneur)|David Karp]] (Founder, CEO), John Maloney (President, COO)<ref>http://john.io/</ref>
| key_people = [[David Karp (entrepreneur)|David Karp]] (Founder, CEO), John Maloney (President, COO)<ref>http://-strong.tumblr.com/</ref>
| num_employees = 51<ref name=About>{{cite web|url=http://www.tumblr.com/about Tumblr |accessdate=2011-7-29|title=About Us}}</ref>
| num_employees = 51<ref name=About>{{cite web|url=http://www.-strong.tumblr.com/ Tumblr |accessdate=2011-7-29|title=About Us}}</ref>
| alexa = {{steady}} 46 ({{as of|2011|10|2|alt=October 2011}})<ref name="alexa">{{cite web|url= http://www.alexa.com/siteinfo/tumblr.com |title= Tumblr.com Site Info | publisher= [[Alexa Internet]] |accessdate= 2011-10-02 }}</ref><!--Updated monthly by OKBot.-->
| alexa = {{steady}} 46 ({{as of|2011|10|2|alt=October 2011}})<ref name="alexa">{{cite web|url= http://www.alexa.com/siteinfo/tumblr.com |title= Tumblr.com Site Info | publisher= [[Alexa Internet]] |accessdate= 2011-10-02 }}</ref><!--Updated monthly by OKBot.-->
| industry = [[social networking service]], [[micro-blogging]]
| industry = [[social networking service]], [[micro-blogging]]

Revision as of 18:46, 23 October 2011

Tumblr, Inc.
Tumblr logo
Type of businessPrivate
Founded2007
Headquarters
New York City,[1] New York
,
USA
Key peopleDavid Karp (Founder, CEO), John Maloney (President, COO)[2]
Industrysocial networking service, micro-blogging
Employees51[3]
URLtumblr.com

Tumblr is a website and microblogging platform that allows users to post text, images, videos, links, quotes and audio to their tumblelog, a short-form blog. Users can follow other users, or choose to make their tumblelog private. The service emphasizes ease of use.[5] The site ranks as the 10th largest social network with 6.8 million weekly visits.[6] According to comScore, Tumblr scored 13.4 million unique visitors in the U.S. in July, 2011 — up 218% from July, 2010.[7] Tumblr, Inc., the company operating the website, has its headquarters in Midtown Manhattan, New York City.[8]

History

David Karp founded Tumblr in 2007 with Marco Arment as lead developer.[9][10] 75,000 existing bloggers soon switched to the platform, and since that time, the service has garnered more than 3 million users. In 2009, Tumblr acquired the Tumblr iPhone app, initially known as Tumblerette, that was created by Jeff Rock and Garrett Ross.[11]Cite error: The <ref> tag has too many names (see the help page).

According to a March 8, 2010 post by David Karp to the Tumblr staff blog, the site is now averaging 2,000,000 new posts and 15,000 new users every day.[12] As of 2009, Tumblr had an 85% retention rate,[13] compared with 40% for Twitter.[14]

On March 17, 2010, the Tumblr staff blog announced that Tumblr could be accessed on BlackBerry smartphones via an app created by Mobelux. On April 17, 2010, the application was made available on BlackBerry App World.

In September 2010, Marco Arment left Tumblr to focus on Instapaper.[15]

On December 5, 2010, Tumblr was inaccessible for about 47 hours due to errors during maintenance.[16][17]

As of May 1, 2011 Tumblr included more than 5 billion total posts and over 17.5 million total blogs.[18] In June of 2011, Tumblr surpassed Wordpress in total number of blogs, breaking through the 20 million mark.[19] Tumblr has since surpassed 30 million total blogs.[20]

Recognition

  • In January 2009, Tumblr was named by the staff of PC World as one of "Obama's top five tech tools".[21]
  • In August 2010, Tumblr was named as a finalist in Lead411's New York City Hot 125.[23]

Finances

Tumblr's original funding came from Karp's earnings as a software consultant at parenting site UrbanBaby. Tumblr has raised funding from Union Square Ventures, Spark Capital, Martin Varsavsky, John Borthwick (Betaworks), Fred Seibert, and Sequoia Capital (among other investors).[27][28] Tumblr shares two lead investors with Twitter. President and COO John Maloney was the founder of UrbanBaby with wife Susan Maloney.

See also

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References

  1. ^ "Press Info". Retrieved 2010-11-07.
  2. ^ http://-strong.tumblr.com/
  3. ^ Tumblr "About Us". Retrieved 2011-7-29. {{cite web}}: Check |url= value (help); Check date values in: |accessdate= (help)
  4. ^ "Tumblr.com Site Info". Alexa Internet. Retrieved 2011-10-02.
  5. ^ Boutin, Paul (2009-03-13). "Tumblr Makes Blogging Blissfully Easy". The New York Times. Retrieved 2009-03-26.
  6. ^ http://www.businessinsider.com/these-19-social-networks-are-still-bigger-than-google-2011-7#13-deviantart-an-online-community-for-artists-to-share-and-display-their-work-384-million-7
  7. ^ http://mashable.com/2011/08/31/tumblr-record-uniques/
  8. ^ "About." Tumblr. Retrieved on August 7, 2011. "35 East 21st Street, 9th Floor. New York, NY. 10010." One is never to speak of the site outside of the site.
  9. ^ Kushner, David. "David Karp is the Barely Legal Blogfather". Retrieved 2009-04-13.
  10. ^ Shafrir, Doree. "Would You Take a Tumblr With This Man?". Retrieved 2009-03-23.
  11. ^ Van Grove, Jennifer (2009-02-25). "Tumblr Rebrands Tumblerette and Releases Free iPhone App". Retrieved 2011-03-22.
  12. ^ Karp, David (2010-03-08). "Has It Been Three Years Already?". Retrieved 2010-03-09.
  13. ^ Dannen, Chris. "What the Hell is Tumblr? And other Worthwhile Questions". Retrieved 2009-06-25.
  14. ^ Goldsmith, Belinda (April 29, 2009). "Many Twitters are quick quitters: study". Reuters. Thompson Reuters. Retrieved 2009-04-29.
  15. ^ "Marco Arment Leaves Tumblr To Work On Instapaper". TechCrunch. 2010-09-21. Retrieved 2010-12-14.
  16. ^ Tiku, Nitasha. "Where Does the Tumblr Outage Stand: Ranking the Great Social-Media Crashes of 2010". New York Magazine. Daily Intel.
  17. ^ http://staff.tumblr.com/post/2127872280/downtime
  18. ^ "About". Tumblr. Retrieved May 1, 2011.
  19. ^ http://mashable.com/2011/06/15/tumblr-surpasses-wordpress/
  20. ^ http://tumblr.com/about
  21. ^ Paul, Ian (January 20, 2009). "Obama's Top 5 Tech Tools". PC World. Retrieved June 5, 2011.
  22. ^ Best Young Tech Entrepreneurs 2009
  23. ^ "New York City Hot 125"
  24. ^ "Black, Rebecca 2011-09-08".
  25. ^ Behind the Occupy Wall Street slogan ‘We Are the 99%’
  26. ^ Outside of Wonkland, 'We are the 99%' Is a Pretty Good Slogan
  27. ^ "Best Young Tech Entrepreneurs 2009". Retrieved 2009-06-25.
  28. ^ Anthony Ha, VentureBeat. "Blog startup Tumblr goes bi-coastal with Sequoia Investment." November 12, 2010.
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