I used FB in moderation; I friended only people actually known to me. For a while it was fun to keep up with them. But eventually I got tired of paging thru the cat pictures & links to political propaganda to find actual news about the people I cared about. I did not actually close my account, but I stopped scanning FB. I go to it if I get an email alert that looks interesting. Also, I let LiveJournal give notice of my postings there to FB.