One of the most notable things about James Cameron’s use of 3D technology in his new epic movie “Avatar” is his restraint. Nothing in this movie jumps off the screen, the way 3D is so often described. “Avatar” instead draws

Much was made of the news this week that Apple adopted a live streaming app for the iPhone. Now iPhoners can iPhone in live video of themselves or whomever doing heaven only knows what on the app Web site, Ustream. I went there and watched a young woman earnestly strum a guitar and sing painfully off-key. Thanks to the wonders of technological innovation, I was able to feel a combination of dread and pity for a total stranger.

The Roberts family track record bodes well for NBCU