I think it's a fail in the sense that, I don't (or can't) use it because nobody I know uses it... and many millions of others are in the same boat. They were to

I think it's a fail in the sense that, I don't (or can't) use it because nobody I know uses it... and many millions of others are in the same boat. They were too late with it in my opinion and the borderline "forced" integration they attempted with YouTube accounts was a poorly executed attempt to counter that. That said, I do like it a lot as a piece of software. I would definitely (still) use it if it weren't for the lack of network effect.