Google's Caffeine is a project by the the search engine Google that focuses on a "next-generation architecture for Google's web search." According to the Google Webmaster Blog, most people will not notice a difference because the changes are "under the hood." Google's developers say Caffeine is "the first step in a process that will let us push the envelope on size, indexing speed, accuracy, comprehensiveness and other dimensions."
via mahalo.com
From the reviews I have read, "caffeine" gives better results and is faster. I wonder how this affects SEO...
