Youtube mixer.

Similar to the Youtube Doubler, and perhaps the exact same idea, this should allow you to create mash-ups of your favorite Youtube videos, a la thexx and Biggie/The Grey Album/etc. You put the two videos up and equalizers and mixers allow you to start and stop and bring the volume in and out on both of them, creating a whole new experience! Yay! I also dreamed this idea.

Grammy deaths.

They devote portions of the Oscars, Emmy's, et al to appreciating the lives of the dead folk. The Grammy's should devote a portion to all the bands that break up that year. I dreamed this idea.

deGrasse Junior High.

A teen-oriented drama about the early life of science charmer Neal deGrasse Tyson.

Restaurant organized by calories.

Rather than posting the calorie-count beside the menu item, the entire menu should be ordered in terms of everything that fits under '100 calories' to '150 calories' to '200 calories' and so forth. So you men-folk and women-folk can follow the diet. If it's more than what you can bear, you can ask them to half it, and pre-put the other half in a doggy-bag, so you're not tempted.

Twitter.

If it's a link, your entire post should be a clickable html link rather than wasting the character-count.

reasonably-priced e-ink business cards

Because how sweet would that be!?