Best March Madness Promoted Tweets So Far

Nike, Capital One and Bing score, while Walmart air-balls

Say that Valparaiso upsets Michigan State or Harvard takes out heavily-favored New Mexico in today's first round of the NCAA Tournament. There's almost no question that #Valparaiso and #Harvard would trend nationwide on Twitter—and possibly for hours. And there's little doubt that brands would jump on the hashtags with Promoted Tweet ad buys, as the digital community continues to test whether real-time-based/news-events-driven Twitter marketing is a slam dunk or more akin to a full-court shot in hell.