Maybe not originally, but you can bet they've incorporated it into their system now.
It always amazes me when I see idiots responding to the "random" Facebook surveys -- have you ridden in a police car? have you traveled to another country? do you have a tattoo? have you been in an ambulance? have you been drunk? have you been camping? have you... on and on?
Where do these dummies think this stuff is coming from? Where do users think the data is going? They all think it's an innocent, silly thing to respond to, but at the least, you're being profiled for advertisers, at the worse, your being profiled by the three-letter agencies.
The CIA “Lifelog” program shut down one day and Fakebook started the next day with many spookes in their employ. I don't remember the details of google.