GM Just Hired Nissan's CMO. What That Actually Signals About Automotive Marketing

Executive moves usually aren't worth a blog post. This one is different — not because of who moved, but because of what the pattern signals. GM hired Nissan's CMO Allyson Witherspoon to lead Buick and GMC, marking its third outside marketing hire in nine months. Here's what it reveals about where automotive marketing is heading, why the brand promise now lives or dies at the dealer level, and what stores should do about it.