There's been quite a bit of brouhaha over at xda-developers lately about changes HTC's made to the way multitasking behaves on the One X compared to stock Ice Cream Sandwich. We're not just talking about obvious UI differences here -- Sense 4's horizontal, card-like arrangement vs. Android 4.0's default vertical list -- but actual differences in memory and task management. While we're not running into any problems with our One X review unit, some users have noticed that background app are ge