The dark side of Valentine’s: Why are consumers breaking up with brands? According to an ExactTarget study (download the white paper), 77% of US online consumers admit they’ve become more cautious about giving companies their email address. Now, popular brands are wondering if social media is the way to a customer’s heart. But before companies find themselves all a-Twitter they should first gauge what interactions will make them “the going steady type” or “the overbearing ex.” Click below for the big-ass version: