Google claims that Caffeine provides 50 percent fresher results for web searches than their last index. "It’s the largest collection of web content we’ve offered. Whether it’s a news story, a blog or a forum post, you can now find links to relevant content much sooner after it is published than was possible ever before", said Carrie Grimes, Software Engineer at Google.
Link – http://googleblog.blogspot.com/2010/06/our-new-search-index-caffeine.html
