Sorry what are you talking about ?
Please provide some evidence that anyone with money and know how can harvest tens of millions of accounts from Facebook.
Your example does not address this and seems just like normal Facebook targeting to me.
Please provide some evidence that anyone with money and know how can harvest tens of millions of accounts from Facebook.
Your example does not address this and seems just like normal Facebook targeting to me.
I don't think Facebook has a section where someone can talk about what stocks they might hold. So, if the HF was able to target specific people who owned P&G stocks then I think it was an efficient targeting, maybe not as much of scale of US elections but enough to turn the voting in their favor.
The data that this app obtained was far deeper than what Google can crawl e.g. what a person liked.