Robots will be able to guard your house while you're away, babysit your kids, or keep you company when you're alone.

CNN: Why robots are ready for takeoff

Vball lets you record your friend's moves so you can compete even when you're alone.

CNN: Get in the (video) game with GameCam

And certainly when you're a film actor, despite the fact that you're constantly, you know, being reached for and grabbed at and photographed--when you're working, you're alone on the set with the director and, you know, a handful of grips, and that's that.

NPR: Keeping Tom Cruise On Topic, and Quiet

Because, really, you're alone all the time: when you're surrounded by fans, when you're surrounded by all your friends, all your family...

NPR: Joan as Police Woman: 'To Survive' Alone

"When you're with family, you don't feel alone, " Ms. Hahn says.

WSJ: Dysfunctional Family Bingo