Back in 1995, when co-founders Sergey Brin and Larry Page met at Stanford University, they didn’t like each other much. But by January 1996, they were collaborating on BackRub, a graduate project analyzing how back links could be used to improve search results.
In September 1998, when Google Inc. opened for business inside a Silicon Valley garage, the Web entered its second phase. Unlike thousands of now-dead dot coms that preceded it, Google proved that you really could give stuff away and still make a profit. By allowing Net users to determine where pages ranked in Google results, the search engine was arguably the first Web 2.0 application.
