A sockpuppet is an online identity used for purposes of deception. The term, a reference to the manipulation of a simple hand puppet made from a sock, originally referred to a false identity assumed by a member of an Internet community who spoke to, or about, themselves while pretending to be another person. The term now includes other misleading uses of online identities, such as those created to praise, defend or support a person or organization, to manipulate public opinion, or to circumvent a suspension or ban from a website. A significant difference between the use of a pseudonym and the creation of a sockpuppet is that the sockpuppet poses as an independent third-party unaffiliated with the puppeteer. Many online communities attempt to block sockpuppets.
The term "sockpuppet" was used as early as July 9, 1993, but did not become common in USENET groups until 1996. The first Oxford English Dictionary example of the term, defined as "a person whose actions are controlled by another; a minion," is taken from U.S. News and World Report, March 27, 2000.
The history of reviewing one's own work under another name predates the Internet. Walt Whitman and Anthony Burgess both reviewed their books under pseudonyms. Another notable example was Benjamin Franklin.
On October 21, 2013 the Wikimedia Foundation (WMF) condemned paid advocacy sockpuppeting on Wikipedia and, on October 23, specifically banned editing by the public relations firm Wiki-PR. In August and September 2015 the WMF uncovered another group of sockpuppets known as Orangemoody. 
Sockpuppets may be created during an online poll to submit multiple votes in favor of the puppeteer. A related usage is the creation of multiple identities, each supporting the puppeteer's views in an argument, attempting to position the puppeteer as representing majority opinion and sideline opposition voices. In the abstract theory of social networks and reputation systems, this is known as a sybil attack.
A sockpuppet-like use of deceptive fake identities is used in stealth marketing. The stealth marketer creates one or more pseudonymous accounts, each one claiming to be owned by a different enthusiastic supporter of the sponsor's product, book or ideology.
A strawman sockpuppet is a false flag pseudonym created to make a particular point of view look foolish or unwholesome in order to generate negative sentiment against it. Strawman sockpuppets typically behave in an unintelligent, uninformed, or bigoted manner and advance "straw man" arguments that their puppeteers can easily refute. The intended effect is to discredit more rational arguments made for the same position. Such sockpuppets behave in a similar manner to Internet trolls. A particular case is the Concern troll, a false flag pseudonym created by a user whose actual point of view is opposed to the one that the sockpuppet claims to hold. The concern troll posts in Web forums devoted to its declared point of view and attempts to sway the group's actions or opinions while claiming to share their goals, but with professed "concerns". The goal is to sow fear, uncertainty and doubt within the group.
The term "meatpuppet" (or "meat puppet") is used as a pejorative description of various online behaviors. The term was in use before the Internet existed, including references in Ursula K. Le Guin's science fiction story "The Diary of the Rose" (1976), the alternative rock band Meat Puppets, and the cyberpunk novelist William Gibson's Neuromancer (1984). Editors of Wikipedia use the term to label contributions of new community members if suspected of having been recruited by an existing member to support their position. Such a recruited member is considered analogous to a sockpuppet even though he/she is actually a separate individual (i.e. "meat") rather than a fictitious creation. Wired columnist Lore Sjöberg put "meat puppet" first on a satirical list of "common terms used at Wikipedia," defining the term as "a person who disagrees with you."
Nevertheless, other online sources use the term "meatpuppet" to describe sockpuppet behaviors. For example, according to one online encyclopedia, a meat puppet "publishes comments on blogs, wikis and other public venues about some phenomenon or product in order to generate public interest and buzz"—that is, he/she is engaged in behavior more widely known as "astroturfing." A 2006 article in The Chronicle of Higher Education defined a meat puppet as "a peculiar inhabitant of the digital world—a fictional character that passes for a real person online."
Legal implications of sockpuppetry in the United States
● In 2008, 49-year-old Missouri resident Lori Drew was prosecuted and found guilty by a Federal court jury in connection with the creation of a MySpace account on which she claimed to be a 16-year-old boy named Josh Evans. Drew's goal had been to create a relationship with Megan Meier, a 13-year-old girl who had been in conflict with Drew's daughter. After "Josh" ended the relationship with Megan, Megan committed suicide. Drew was found guilty in connection with misrepresenting her identity in violation of the MySpace terms of service. Although the Los Angeles U.S. Attorney claimed that this conduct was covered by federal computer fraud legislation against "accessing a computer without authorization via interstate commerce," the trial court granted a motion by Drew to throw out the verdict. Drew successfully argued that her use of a false identity did not constitute unauthorized access to MySpace, citing a 1973 breach of contract dispute where a court of appeals ruled that "fraudulently induced consent is consent nonetheless." The prosecution appealed the trial court judge's decision to throw out the guilty verdict, but later dropped its appeal.
● In 2010, in People v. Golb, 50-year-old lawyer Raphael Golb was convicted on 30 criminal charges, including identity theft, criminal impersonation, and aggravated harassment, for using multiple sockpuppet accounts to attack and impersonate historians he perceived as rivals of his father, Norman Golb. Golb defended his actions as "satirical hoaxes" protected by free-speech rights. He was disbarred and sentenced to six months in prison but remained free on appeal on $25,000 bail.
● In 2014 a Florida state circuit court held that sock puppetry is tortious interference with business relations, and awarded injunctive relief against it during the pendency of litigation. The court found that "the act of falsifying multiple identities" is conduct that should be enjoined. It explained that the conduct was wrongful "not because the statements are false or true, but because the conduct of making up names of persons who do not exist to post fake comments by fake people to support Defendants' position tortiously interferes with Plaintiffs' business" and such "conduct is inherently unfair." The court therefore ordered the defendants to "remove or cause to be removed all postings creating the false impression that more [than one] person are commenting on the program th[an] actually exist." The court also found, however, that the comments of the defendants "which do not create a false impression of fake patients or fake employees or fake persons connected to program (those posted under their respective names) are protected by The Constitution of the United State of America, First Amendment."
A commentator argued that the court was wrong to condemn sock puppetry, as such, by finding "that the act of falsifying multiple identities is the conduct to be enjoined." He insisted that the behavior properly to be proscribed is the tortious interference, not the means to the end. "In other words, the act of creating sock puppets in and of itself cannot be a tortious act and since it is not the tortious act the court can't proscribe it." The court misses the point; "it's not the account creation that caused the defamation, it is the use to which those accounts were put." Accordingly, "the court should not have enjoined the creation of false identities, it should have enjoined the use of those false identities to create a false impression" about plaintiff NDYA.
Examples of sockpuppetry
In 2007, the CEO of Whole Foods, John Mackey, was discovered to have posted as "Rahodeb" on the Yahoo Finance Message Board, extolling his own company and predicting a dire future for its rival, Wild Oats Markets, while concealing his relationship to both companies. Whole Foods argued that none of Mackey's actions broke the law.
During the 2007 trial of Conrad Black, chief executive of Hollinger International, prosecutors alleged that he had posted messages on a Yahoo Finance chat room using the name "nspector", attacking short sellers and blaming them for his company's stock performance. Prosecutors provided evidence of these postings in Black's criminal trial where he was convicted of mail fraud and obstruction. The postings were raised at multiple points in the trial.
Book and film reviews
An Amazon.com computer glitch in 2004 revealed the names of many authors who had written reviews of their books using pseudonyms. John Rechy, who wrote the best-selling 1963 novel City of Night, was one of the more famous authors unmasked in this way, and was shown to have written numerous five-star reviews of his own work. In 2010, historian Orlando Figes was found to have written Amazon reviews under the names "orlando-birkbeck" and "historian", praising his own books and condemning those of fellow historians Rachel Polonsky and Robert Service. The two sued Figes and won monetary damages. During a panel in 2012, UK fiction writer Stephen Leather admitted using pseudonyms to praise his own books, claiming that "everyone does it". He spoke of building a "network of characters", some operated by his friends, who discussed his books and had conversations with him directly. The same year, UK crime fiction writer RJ Ellory admitted having used a pseudonymous account name to write a positive review for each of his own novels, and additionally a negative review for two other authors.
David Manning was a fictitious film critic, created by a marketing executive working for Sony Corporation to give consistently good reviews for releases from Sony subsidiary Columbia Pictures, which could then be quoted in promotional material.
American reporter Michael Hiltzik was temporarily suspended from posting to his blog, "The Golden State," on The Los Angeles Times website after he admitted "posting there, as well as on other sites, under false names." He used the pseudonyms to attack conservatives such as Hugh Hewitt and L.A. prosecutor Patrick Frey—who eventually exposed him. Hiltzik's blog at the LA Times was the newspaper's first blog. While suspended from blogging, Hiltzik continued to write regularly for the newspaper.
Lee Siegel, a writer for The New Republic magazine, was suspended for defending his articles and blog comments under the user name "Sprezzatura." In one such comment, "Sprezzatura" defended Siegel's bad reviews of Jon Stewart: "Siegel is brave, brilliant and wittier than Stewart will ever be."
As an example of state-sponsored Internet sockpuppetry, In 2011, a California company called Ntrepid was awarded a $2.76 million contract from US Central Command for "online persona management" operations to create "fake online personas to influence net conversations and spread US propaganda" in Arabic, Persian, Urdu and Pashto. The activity was part of Operation Earnest Voice (OEV), a programme first developed in Iraq as a weapon of psychological warfare.
On September 11, 2014, a number of sockpuppet accounts reported an explosion at a chemical plant in Louisiana. The reports came on a range of media, including Twitter and YouTube, but US authorities claimed the entire event to be a hoax. The information was determined by many to have originated with a Russian government-sponsored sockpuppet management office in Saint Petersburg, called the Internet Research Agency. Russia was again implicated by the US intelligence community in 2016 for using paid trolls in the US Election. 
The Institute of Economic Affairs claimed in a 2012 paper that the United Kingdom government, and the EU, fund charities whose purpose is to campaign and lobby for causes the government supports. In one example 73% of responses to a government consultation were the direct result of campaigns by alleged "sock puppet" organisations.
- On the Internet, nobody knows you're a dog
- Online reputation
- Passing (sociology)
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