[JordyB]

I completely agree, their biggest problem will be getting people to switch over from Facebook, although I'm sure many of us were on other social networking sites before Facebook so it can definitely happen again. If circles manages to target the regions that Facebook hasn't then they will have a huge advantage.

[sahaj]

If they can nail the group video conf & google voice integration, I think they have a winner and people will move over just to use this feature.