Instagram, the photo- and video- sharing service owned by Facebook, is deleting all the accounts it has identified as “spammy.” As a result, more than 29 percent of Instagram’s own followers disappeared last week. According to software developer Zach Allia, stars such as Justin Bieber and Kim Kardashian also lost millions of followers. The purge was intended to combat fake accounts, a problem that leads to hijacked hashtags, artificially inflated follower counts, and increased advertising costs. Continue reading The Instagram Rapture: Millions of Fake Accounts are Purged

Instagram — the photo- and video-sharing app owned by Facebook — announced yesterday that it presently has 300 million monthly active users, up 50 percent in nine months (more than 70 percent of its users are now outside the United States). The new numbers suggest that the social service is more popular than Twitter today (Twitter recorded 284 million monthly active users for Q3). Instagram is looking to leverage its meteoric popularity to engage users in new ways, and draw advertisers at the same time. Continue reading Instagram Now Bigger Than Twitter, Looks to Brand Advertising

Twitter unveiled its new BotMaker system this week, designed to address its growing spam problem. The machine learning models and other techniques traditionally used to classify messages as spam do not always work with the real-time nature of Twitter, so the company developed BotMaker, which scans messages as part of bulk data analyses. According to Twitter, the system has resulted in a 40 percent reduction in spam since it was rolled out and now handles billions of events each day. Continue reading Twitter Effectively Combats Spam with New BotMaker System

Hold Security, an Internet security research firm in the U.S., discovered a Russian crime ring has stolen an unprecedented amount of Internet credentials, including 1.2 billion user names and passwords, and more than 500 million email addresses. The hackers targeted websites from multiple countries and a range of businesses, from Fortune 500 companies to small websites. The crime ring is currently using the information to send spam through social networks for a fee. Continue reading Russian Criminals Obtain Passwords and More in Massive Hack

Twitter estimates the percentage of its accounts that are fake is less than 5 percent, but some independent researchers think that number is closer to 9 percent. Fake accounts are a big market for those looking to boost their popularity and influence on Twitter, despite efforts by the social networking site to weed out the imposters. One man who manages 10,000 robot accounts for roughly 50 clients offers a glimpse into the market. Continue reading Fake Twitter Accounts Boost Individuals and Trending Topics

A new report from the Pew Internet & American Life Project, based on interviews conducted by Princeton Survey Research Associates, indicates that 15 percent of American adults ages 18 and older say they are not using the Internet or email. Survey participants cite issues related to relevance, problems with ease-of-use, security, expense and availability as primary reasons. Additionally, another 9 percent of U.S. adults note that they use the Internet, but not while they are at home. Continue reading 15 Percent of American Adults Not Using the Internet or Email