When to Use 'Who' vs. 'Whom'
by Leigh Anderson from Lifehacker on (#4V3BH)

Of all the complicated grammar rules, knowing when to use who versus whom ranks right up there. Get it wrong, and you risk looking like a rube. Get it right and you risk looking pretentious. Get it wrong in a different way and you risk looking like a pretentious rube. So we at Lifehacker, who want to be both right and"