I would love to use this....If I had any guarantee Google is going to support this in the long run....
Google doesn't seem to realize it's not easy getting your friends who aren't techheads to move from one platform to another, so in order to switch I have to know this isn't going to die soon. Untill then I'll stick with hangouts/skype. Why couldn't they just keep the hangouts branding? I have no idea, its kind stupid.
(Also yes, I know hangouts is going to die. But it hasn't yet and that's what all my friends already know about.)