If only they hadn't killed Jaiku. Google's wonderful at competing when they can change the experience paradigm (Gmail, Google Maps). They're terrible when the

If only they hadn't killed Jaiku. Google's wonderful at competing when they can change the experience paradigm (Gmail, Google Maps). They're terrible when they can't (Google Answers, Google Video). If Google tried to ape the look and feel of Twitter ("but better!"), they'd fail.