I used to have a 300 baud modem, which was used to connect computers over the phone (BBSs). It was fun to listen to and when I upped it to 1200 baud, it was fun to hear the difference from white noise to the more distinct beeps in the 300 baud.

I think it's neat to experience data in different forms, audible, tangible, and maybe aromatic (smell-o-vision) data?