Google's new search engine, Caffeine

Google is now going to launch its second search engine work on which is already started.According to Google this engine named Caffeine is mush faster and more relevant than its previous one.Look-wise, the new engine doesn't appear different, but its developers hope that the technology they have used will noticeably index new content faster.Google engineers are said to have invited web developers to test the new search engine, and give their feedback. Matt Cutts, a principal engineer at Google, and Sitaram Iyer, a staff software engineer, have posted an entry on the company's webmaster central blog, appealing to developers to try the newly improved service and send them some feedback.