General   (General discussion, talk about anything.)

People take up these offers, giving no thought to what the other party is getting in exchange.

Hence, someone unknown to us end up in possession of a truly staggering amount of personal information, which gets traded and easily ends up in the hands of villains.

When individuals have gone to efforts to see how much data of this kind about them has been amassed, it is typically thousands of pages of stuff.

Both legitimate users, and those with malicious intent apply algorithms to this amassed data to find very specific things about the individual.

And then people are surprised when they get scammed, or otherwise become victims of fraud.

And, whither democracy when you have the likes and decedents of 'Cambridge Analytica' shaping peoples world view, voting intention etc quite surreptitiously.