The latest silly dance craze is as literal as it is abstract. “Crank That” involves minimalist lyrics — sometimes mumbled, sometimes yelled — and an intricate yet doable set of accompanying movements.

Here’s a fun accessory for your iPod or MP3 player, the iBoogie Speaker and Dance Machine. This fun gadget connects to your iPod or MP3 player, and the LED stick man dances along to your favourite ...