Although Bob the Builder might not while away his time on Pinterest, Debbie the DIYer might. And that’s probably just what the folks at Home Depot were thinking when they created nearly 40 of their own pinboards.   “When it comes to the sexes on social media, there are a few places where the battle lines seem settled,” say the editors of a recent Mashable article. “It probably won’t surprise you to learn, for example, that men are from Google+ and women are...