Skittles.com has done a Modernista! and instead of filling a web page full of content themselves, they simply frame a twitter search of the word "skittles" and let the world tweeters with skittles on their mind fill it.
This begs to be messed with, of course. Fellow adgrunt Claymore a.k.a adtothebone has been having much fun. Examples:
Also, about nine hours ago the anti-skittles known as barftherainbow on Twitter was born. Not a friend of your brand, Skittles, but all over your brand page.