> Given Facebook's financial resources, it should be no problem to increase the size of the team working on the tool. Like any engineering problem, the problem

> Given Facebook's financial resources, it should be no problem to increase the size of the team working on the tool. Like any engineering problem, the problem can be broken down into smaller parts And I worked for 4 years on one such small part (internally called UFAC), trying to help potential false positives of such a system. As for classifier with a true positive rate of 99.99999%, I don't know much but I don't think it's possible. But if there's someone out there who might know, then they should say so.