Still wondering what the big deal is about Twitter, or how it and Facebook stand to reap colossal rewards by being search engines powered by human crawlers sharing content? Then look at this. It’s a glimpse into the future. Of course, the trend will have to hold. Hard to believe that a technology that enables microblogging and a social networking site now exceed email as a way to share links (content). Hey, it’s not your older sibling’s Web anymore.