I'm starting to think Tumblr, Facebook and well honestly anything social media is just a glorified diary. even in public posts it is rare to get a response that you look for, usually they all just sit there.
There actually is some good stuff here. Facebook though is doomed to the Like button. and unless the title or the last character in a tumblr post is a ? no one can respond.
Same as Facebook honestly, just without the means of comment. I use it more as a journal mainly because I can't stand the thought of comments I'd get from friends and family