"What's a Weeble Wobble?" You should have heard the gasp that came out of my wife's mouth when these words were uttered by a teenager across the lunch table from us. Heck, you probably did hear it.

They famously don’t fall down, but are wobbly Weebles really going to be a big hit on iPhone and iPod touch? Hasbro has just launched an official app for the egg-shaped toys. It’s basically an avatar ...