you're so short sighted, bb..... don't you know how hard it is to find Cal-Tech reject surplus seismographs to detect those sneaky mole-like terrorists? Not to mention the new innovative high tech home automation devices that let you turn your lights on and off remotely?? "clap-on....CLAP! CLAP!...clap-off...CLAP! CLAP!.....clap on...the Clapper!" This is groundbreaking stuff, man!!!!!