"2008 is the year Facebook grinds to — not a halt — but definitely a slowdown. The backlash is already here. I've said it before; I'll say it again: Facebook flight." Ah, the sweet, juicy sound of BusinessWeek's Arik Hesseldahl plopping his cojones on the table. We credit his bravado, but he's wrong. Beacon was bad for Facebook on the blogs, but users hardly noticed.