Google launched its much awaited and highly anticipated social networking platform today to a limited number of users. Dubbed Google+ (Plus), the service may take its cue from social networking giant Facebook, but in the end it is about the harsh reality of Google saving and enhancing its core franchise — Google Search. It is search (and, by extension, advertising) that made Google a company that has run afoul of the Federal Trade Commission because of its huge size and influence.
At the time of Google’s founding, search was broadly defined as a sifting through a directory of websites. As the web grew, search became all about pages. Google, with its PageRank, came to dominate that evolution of search.
Today, search is not just about...