1. For a beverage company that sells cans of pop/beer. To stand out in the market, texturize the cans.
2. Have a scavenger hunt for the audience to follow to find a concert or show. It would work best with something a lot of people really want to go to but is still local enough for people to care about it being interactive.
3. Stop smoking.
4. String a giant roll of twine all around your apartment building, through the stairs, each floor and elevator shafts. Get the security camera footage and make a movie out of that footage.
5. Teach your cat to go to the bathroom in the toilet.