(Newser)
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Justin Bieber is the most-followed person on Twitter, but don't be too impressed: Just 47% of his followers are real people, the BBC reports. Socialbakers, a service that identifies fake Twitter accounts, finds that 17.8 million of Bieber's 37.3 million followers are legit. The company spots real users by looking for genuine tweets vs. spam or repetitive buzzwords like "make money" and "work from home." If its report is correct, Lady Gaga has more followers than Bieber: 19 million of hers are real.
