I suppose it's an argument of semantics at this point, so I'll let it go, but the one thing I would make amendment to is that Circles IS the UI, mostly. All Ci

I suppose it's an argument of semantics at this point, so I'll let it go, but the one thing I would make amendment to is that Circles IS the UI, mostly. All Circles is is the UI and the integration, and honestly, while the integration is the technical aspect, it's the fact that the UI is what it is, and that it's up front and center that makes it noteworthy.