By now, all of you must have tried out typing "Let it snow" in Google search and seeing the effects.
Some told Rajanikanth also to try it. He wanted to check it and typed that and....
(Photo original link: https://plus.google.com/106517092226488584705/posts/RqSaTEfFkQW)
P.S: Also check out "Do a barrel roll" on Google Search. Cool Easter eggs.