When CEO Tim Cook kept saying "stay tuned" at D10 about new Apple collaborations with Facebook, he may have meant it literally. Soon you could be tuning into Facebook on Apple TV, or seeing your iTunes or iPod activity auto-shared to Facebook. Boosted revenue, better ad targeting, and trouble for mutual enemy Google are all potential benefits. While there are plenty of smaller ways Facebook and Apple could intertwine, here's a look at two big developments that could grow from deeper ties between 1 Infinite Loop and 1 Hacker Way.