You can wrap a whole apartment (but watch out if you do), decorate your car, avoid mind control (the effectiveness of this is disputed), use foil in diy projects, use it in science projects,make special crafts... the list goes on and on. Oh, and you can also, you know, make food and store food with it. If you want to be wacky.
In homage of our good friend aluminum foil. We use it often, yet we so rarely stop to admire it's shiny foily-ness. What can you do with foil?