Twitter, jumping the shark?

AdFreek (an Adweek blog) reports that Crispin Porter + Bogusky creative Alex Bogusky is leaving Twitter.

Signing off twitter. Just not for me. I really enjoyed the time and it was fun to follow and be followed by such a lively group. Love, Alex

Alex did three months before bailing. I'm still undecided about Twitter and realized that it's been two days since I opened Twirl or went to my Twitter account. Haven't missed it. I've been busy with some projects, recruiting volunteers for ASTD Atlanta and prepping for a certification exam.