we don't need to speak about Synereo strategy differenciation in details here to point its relevance in the market: getting paid to do what you do with facebook.
(snip)
tsu.co is trying just that. I have an account there that I use to communicate with exactly one person. From what I've seen so far, paying people for using their social network dramatically decreases the quality of the content, plus, increases reposts, at least if you base earnings on activity.