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This is a situation where statistics can easily solve the problem. Randomly pick 2,000 or more accounts. Then see how many the automated systems remove and then manually check the rest should give a good guide to what proportion are fake.


Ken: triumph of small N statistics


Another question would be how this compares to previous efforts.

It's possible that bots routinely try to create millions of accounts a day, and Facebook has always blocked most of these from being created, or deleted them within seconds of creation. Now they are counting these as among the half-billion they have removed.

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