Fake followers are typically sold in batches of one thousand to one million accounts. The average price for 1,000 fake followers is $18, according to one study by Barracuda Labs. Mr. Stroppa and Mr. De Micheli said some sellers bragged that they made $2 and $30 per fake account. A conservative estimate, they said, was that fake Twitter followers offered potential for a $40 million to $360 million business."
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