Unlike Thanko's USB footswitch, Scythe's actually looks the business. If the business is a guitar foot pedal. Or a sewing machine foot pedal. Whatever you decide it looks like, it can be configured to perform all sorts of commands.
Nowadays we've got podcasts, internet radio etc.—but if you absolutely must listen to NPR the old-fashioned way, Sony has helpfully thrown an FM tuner into one of its new computer speaker sets.