I was an early adopter and I actually saw quite a few non-techies in my circles want invites right away, because it was seen as the next Gmail. Except it deliv

I was an early adopter and I actually saw quite a few non-techies in my circles want invites right away, because it was seen as the next Gmail. Except it delivered none of the "wow!" that Gmail did. It was slow, didn't really seem to have an immediate purpose (where as when Gmail came out, most people I knew had hit some sorta inbox-size limit before and knew that pain point) and so on.