I dont think their is anyone who not know about Google. Its worlds most famous site for search and other internet relative services.
It the best search engine on internet. I use it a lot to find latest things on internet too. Its very faster search engine then others.
It open very fast then any other site. Google have everthing that we needed from internet like videos games photo maps documents etc etc.
For email service they have gmail and for video YouTube is very famous all over. Google's Android system is being so famous now too. It in all smartphones. Google become the most needed service on internet now. Google is the best invention to help peoples.