The follower factory

An obscure American company named Devumi that has collected millions of dollars in a shadowy global marketplace for social media fraud. Drawing on an estimated stock of at least 3.5 million automated accounts, each sold many times over, the company has provided customers with more than 200 million Twitter followers, a New York Times investigation found.

The accounts that most resemble real people reveal a kind of large-scale social identity theft. At least 55,000 of the accounts use the names, profile pictures, hometowns and other personal details of real Twitter users, including minors, according to a Times data analysis.

These accounts are counterfeit coins in the booming economy of online influence, reaching into virtually any industry where a mass audience — or the illusion of it — can be monetized. Fake accounts, deployed by governments, criminals and entrepreneurs, now infest social media networks. By some calculations, as many as 48 million of Twitter’s reported active users — nearly 15 percent — are automated accounts designed to simulate real people, though the company claims that number is far lower.

In November, Facebook disclosed to investors that it had at least twice as many fake users as it previously estimated, indicating that up to 60 million automated accounts may roam the world’s largest social media platform. These fake accounts, known as bots, can help sway advertising audiences and reshape political debates. They can defraud businesses and ruin reputations. Yet their creation and sale fall into a legal gray zone.

Despite rising criticism of social media companies and growing scrutiny by elected officials, the trade in fake followers has remained largely opaque. While Twitter and other platforms prohibit buying followers, Devumi and dozens of other sites openly sell them. And social media companies, whose market value is closely tied to the number of people using their services, make their own rules about detecting and eliminating fake accounts.

Devumi’s founder, German Calas, denied that his company sold fake followers and said he knew nothing about social identities stolen from real users.

“The allegations are false, and we do not have knowledge of any such activity,” Mr. Calas said in an email exchange in November.

The Times reviewed business and court records showing that Devumi has more than 200,000 customers, including reality television stars, professional athletes, comedians, TED speakers, pastors and models. In most cases, the records show, they purchased their own followers. In others, their employees, agents, public relations companies, family members or friends did the buying. For just pennies each — sometimes even less — Devumi offers Twitter followers, views on YouTube, plays on SoundCloud, the music-hosting site, and endorsements on LinkedIn, the professional-networking site.

Kristin Binns, a Twitter spokeswoman, said the company did not typically suspend users suspected of buying bots, in part because it is difficult for the business to know who is responsible for any given purchase. Twitter would not say whether a sample of fake accounts provided by The Times — each based on a real user — violated the company’s policies against impersonation.

“We continue to fight hard to tackle any malicious automation on our platform as well as false or spam accounts,” Ms. Binns said.

Unlike some social media companies, Twitter does not require accounts to be associated with a real person. It also permits more automated access to its platform than other companies, making it easier to set up and control large numbers of accounts.

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