They're shared as a small thank you to the Rio community for your loyalty and support to the first commercial Digital Audio Player that fought to set the legal precedents and laid the groundwork for a new market and everything that has followed.

ENGADGET: The Rio Cubic (aka the Carbon C): what could have been (part II)

The Peerless drive, for instance, which uses big cartridges that hold up to 20 gigabytes of data, might be useful for in-car digital audio players or as a removable drive for storing video in a TiVo -like TV set-top box.

FORBES: Magazine Article

Working for Bell Laboratories, Nyquist (among other things) set out theories regarding telegraph speed and transmission that would pave the way for future digital audio developments.

ENGADGET: Primed: digital audio basics Mobile