Since its debut in 1996, Google's search engine has experienced countless updates and revisions. But none of those revisions have fundamentally changed the architecture of the Google search algorithm as much as Google's latest update, codenamed Caffeine.
While recent reports put Google's market share at around 65 percent, a massive update to its search engine technology makes sense at this point. Microsoft's new Bing search engine showed some resiliency in late 2009, while Web 2.0 services like Facebook and Twitter have done a lot to change the way people search for content on the Internet.
