And that is a perfect example of why I am not on Facebook. That's terrifying.
I don't do facebook. Much more important things to do.
These things are actually quite bad. By accepting the terms of the quiz you invariably handed over all your personal information, friends list etc to the company (Not facebook).
They then use this, along with other data, to market you. They'll sell it on to other companies who then use it for marketing etc.
We, the users, have become the commodity. And we don't mind because, well, we get stuff for free. :wft: