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U.S. politicians are increasingly discovering the benefits - and perils - of social media. While Anthony Weiner's Twitter scandal - or Joe Walsh's YouTube video - might be the most publicized examples of social media backfiring, far less sordid uses of social media by politicians have nonetheless demonstrated the limitations of a public figure's ability to control his or her online image.

As more and more politicians have begun creating Facebook and Twitter pages to communicate with their constituents, a growing number of those constituents have been communicating in return and, quite often, they aren't happy. Negative political talk back seemed to hit a fever pitch during New York's recent debates in the state Senate over the state's legalization of gay marriage.