Google Plus is awesome if you're a part of the tech community. It's pretty quiet if you're an average person.
Yeah, its sorta like a more professional Facebook, if you've got a field that uses it.
Funny, I see the people bitching about how Facebook went to shit because they let everyone on there bitch about how Google doesn't have anyone. Plus could have been the good alternative social network, like Facebook would be for your mom and shit, but use plus for your closer friends/school/work network, but Google was stupid.
I think Google really f'ed themselves with Wave and trying to force the convergence of their stuff. If they had just made it optional but show people how powerful it can be, they'd have been lauded, but instead they forced people to have to do it so people hated it. They haven't done enough to make it worthwhile so its all floundered other than people that already used their stuff (like GMail, Picasa).
It took me like a year to finally create a second GMail account for the forced Youtube conversion (where you had to sign in with Google account.