http://johngeraci.com/
In 2003, as a grad student at NYU, I created a site called Neighbornode, which was a series of bulletin boards for local neighborhood residents to log on to and talk to each other in cities. The site was very simple, and to be totally honest a bit of a hack (I was never a fabulous coder). But the idea alone was enough to attract a good amount of attention and interest from… 
