Hmm . . .
Maybe identifying all those sunglasses and trainers ads and dumping the accounts might be a start.
Facebook has bragged about a new internal tool that combines all sorts of live data on internet security threats – such as any new malware doing the rounds and known dodgy URLS. The social network's engineers said the utility, imaginatively dubbed ThreatData, collects software nasties shared by researchers and also throws in …
That would be fascinating to see how they deal with such a tremendous amount of files uploaded. I would think some type of behavior analysis but to handle that kind of load would take a lot of horse power. The feeds make sense. It's the equivalent of using something like Metascan or VT to weed out all of the know crap. But damnit i want to know how this is done!