Jennifer Lawrence's e-mail, peanutbutt, should be a lesson to marketers

Jennifer Lawrence's e-mail alias is apparently "peanutbutt." If that's true -- it's info from the Sony hacks -- then it furthers America's obsession with Jennifer Lawrence and how real / authentic she is (depending on whether you believe she really is). Think about this pretty simply, though: she's a girl who rocks the off-the-cuff remark, makes young w…