It’s probably not a revelation to tell you that Pinterest skews heavily female. 70% in fact, according to a recent study. But what’s more interesting is that men and women use Pinterest for vastly different reasons and in starkly divergent ways. Women are using Pinterest in a far more inspirational and motivational way than are men, who are more likely to use Pinterest as a visual bookmarking tool. More men are using Pinterest in the U.S. than read Sports Illustrated and GQ combined, the…