// < ![CDATA[ google_ad_client = "pub-3323379996788216"; /* 336x280, created 8/31/09 */ google_ad_slot = "5992480373"; google_ad_width = 336; google_ad_height = 280; // ]]> The internet is littered with the carcasses of pretenders to Google’s throne. From Powerset to Wolfram Alpha, the idea that a new form of search could outdo Google, the most important online innovation [...]