Microsoft's Gavin Kim was a high-profile capture for Redmond, as it poached the former Samsung and Motorola exec to bolster its Windows Phone marketing team. Now, just five months into the job, he's departing after marshaling the "Smoked by Windows Phone" campaign into the world. The company wouldn't go into specifics beyond saying that it was a personal decision to leave and Microsoft bears him no ill will -- but then that's what they always
