Its the first work day of the new year and I thought Id take some time to offer up my predictions for what will happen on the leading edge of the Internet this year. 2007 saw Web 2.0 -- defined here as the pervasive two-way Web used for social media, mashups, user-powered Web applications, and social networking -- go far more mainstream than it had in 2006. Web 2.0 poster children like MySpace, Facebook, and YouTube pushed their way into the top 10 Web sites globally and stayed there