Twitter: JoinChainReaction: Hello everyone! For those of you interested in spinning, Dr. Oz, or fighting childhood obesity, check out the Chain Reaction room on friend feed, on Twitter, or the website at www.joinchainreaction.org. Chain Reaction is an event to raise money and awareness in fighting childhood obesity. Thank you! (via FriendFeed) http://friendfeed.com/e/8ad09fc0-5c56-4c01-a141-9a7d2c338ec9