Since Ed Zander led Sun into the valley of the shadow of death back, what? over five years ago now, it has never recovered. And there's a good chance the same thing may happen to Motorola. With a year left to run on his contract, Zander quit yesterday and clearly not a moment too soon given the events of the last year or so. There are people who would have gladly ridden him out of town on a rail months ago and it's assumed he's resigning now to avoid getting fired. Zander, whose telecom experience consisted of answering the phone, was brought in four years ago to narrow the lead in phones between a first-place Nokia and a second-place Motorola. Motorola is now in third place, losing ground to both Nokia and Samsung, its market share sheered from 20.7% a year ago to 13.1% now.