I still have an account but I basically don't use it for about the last 5 years, apparently most active users these days are in the older age groups.

It is scary what they have been doing with data though.
Completely innocuous looking quizzes etc are being used to (quite accurately) predict your political leanings and then "adverts" are tailored to what will be the most persuasive to you (they appear as news stories so don't really look like "adverts").

The example I saw was some really random quiz, something like what sitcoms you remember from the 90s or something and based on the responses it either showed you articles praising trump or criticizing Clinton in ways that would be the most seductive for Thot group of people.