If you've ever spent time on hold with tech support, you've likely listened to a lot of tinny, cheesy music coming from your phone as you grit your teeth and count the seconds. Instead of making things better, hold music seems to make the minutes stretch into hours. Believe it or not, in the late 19th century people used to pay to listen to music over the phone. A French service called Théâtrophone was basically a steampunk version of Pandora Radio that allowed subscribers to have live music pumped into the
