You're joking, but honestly, I really do think there's going to be a wave of private/closed-community products that counterbalance the boom in highly social technology over the past few years.

Like http://pinboard.in - "Social bookmarking for introverts"

P'sha, the cool kids shut down their social network accounts in '08.

P'sha is actually "pshaw" and it goes back to 1656: http://www.merriam-webster.com/dictionary/pshaw

That's a solid 93/100 on the etymology awesome scale.