You all know the importance of search engines, especially Google in your life. But do you know that apart from Google there are some other awesome search engine exist. Chacha.com is one of them which is a human guided search engine.
Folks at Infographic Labs created an amazing information graphic which tells about the 20 years history of search engines. According to this graphic: 93% of users worldwide use search engines to find and access websites. There are other such cool facts that tells you about history and facts of search engines. Check them out.