Yes, just one, big, nice button. The manual would say one thing: “Press the button”. Here’s how it could work.
Google Drawings is one of the best wireframing tools out there, but no one is using it
Sometimes you just need an opinion about the indie band du jour. Wouldn't it be handy if you could enter a band name and get a hipster attitude on demand? The project used Last.fm's API to extract similar band names, and then layered an opinion on top of it. I did manage to have some weird conversations using it.