Imagine getting a lot of exposure, brand recognition and goodwill for your brand with a marketing stunt without huge costs and time involved. Possible? Yes.
Guerrilla Marketing is the way to go.
Do you think you can get people to take the stairs instead of an escalator by making it fun? Yes, you can! What if you placed digitally printed vinyl that looks like piano keys on the stairs of a public place like a subway station?
Then when passersby use the stairs the keys of the piano sound. Creative and Simple.