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So far I have been skeptical about how much of a role social media buzz has been playing in the presidential primaries, particularly when it comes to "predicting" winners. But of the three primaries to date, Saturday's race in South Carolina may have been the one that was most influenced by Twitter.

Traditional polls still did a better job of predicting the outcome of Saturday's South Carolina primary, but a backwards look at Twitter may show why and how Newt Gingrich scored such a decisive, 12-point victory over national front runner Mitt Romney. And in some regards, social media was able to tell a story in South Carolina that polls could not.

As we reported earlier this month, Craigslist, after a slew of negative press and pressure from various political organizations, decided to revamp its 'erotic services' section. For South Carolina's Attorney General, Henry McMaster, this was not enough of a change, however, and last week, McMaster announced that we would still file charges against the classified-ad site as, according to him, "the Craigslist South Carolina site continues to display advertisements for prostitution and graphic pornographic material."

In return, Craigslist has now filed its own suit in federal court in South Carolina, "seeking declaratory relief and a restraining order with respect to criminal charges he [McMaster] has repeatedly threatened against Craigslist and its executives."