It's a pain point if you have 1000 of friends. Right now, that's not the case if you use Google+. So Google+ solves a pain point only if they have traction, but

It's a pain point if you have 1000 of friends. Right now, that's not the case if you use Google+. So Google+ solves a pain point only if they have traction, but if their main selling point is solving filtering.. then traction will be hard to get. It's a chicken and egg problem. It's like investing your money. It's pointless to even talk about it if you're in debt. Get out of debt first, then worry about investing.