Cal and Stanford fans away from home no longer have to huddle around their laptops if they want to learn who's one-upping who. The Pac-12 Conference has just launched an iPad app for its authenticated Pac-12 Now service: as long as you're with a TV provider that carries the college sports division's games (sorry for now, DirecTV customers), you can tune into 850 live matches spread across a myriad of sports. As you'd hope, going the digital route allows for some on-demand viewing, a dedicated program guide and the social sharing you'll want