My son got a spy toy for his birthday - a stealthy microphone transmitter and a receiver with earpiece. Never mind that our apartment is so small, it's pretty much impossible to have a covert conversation anywhere. The frequency this surveillance tool operates at is right around 105.9. Which also happens to be the signal of WQXR, a classical radio station in the NYC area. Which means all my son hears in his earpiece is Berlioz and Haydn and Chopin. He's not complaining. I'm not complaining. But, really? The toy designers chose a single frequency, and it's right smack dab in the middle of the FM radio range?