We've joined a lot of websites in our day, but never has one social network captured our hearts and minds the way Dopplr has (this week, anyway...). We figured, being a small startup ourselves, that it might be nice to help them out with a little promotional infomercial about how Dopplr has changed our lives. They didn't ask us to (or pay us), and we hope they don't mind (please don't hurt us, we're fragile). Less