It's good to see that I have company. Here's my bathroom hack from fall of 2006, where I added audio triggered by the IR sensor on the 10th floor sink:

The best part was that I left a "record" button on the device underneath, so people could sample their own voices, music, sounds, whatever. Hence, audio graffiti.

And here's a proposal from someone who wanted to do similar things, as found elsewhere on YouTube:

This artist should call me up. We can totally make this happen.

Meanwhile, my YouTube account is up and roaring. Check out my curiously familiar looking channel page. Subscribe today! And don't forget the RSS feed.