An early look at the ultimate social networking tool

For several weeks I've been in a private beta test of a new social networking service designed to help mobile and PC users keep in touch and share ideas. I think it's the sexiest new product I've seen since the Nokia 7650, and even though it's still in early beta I want to talk about it.I promised not to describe some of the details of their implementation, because the patents haven't all been filed, so I apologize in advance that I'll have to leave some blanks. But here goes...The company, Inrvoice...