buckminster writes "Medialoper has an exclusive review of the soon-to-be legendary Prism DuroSport 6000. According to the review, 'if the RIAA had had designed an industry approved digital media player this is what it would look like'. The player has an extraordinary collection of features including 'disposable flash memory' and built-in DRM system with 'opt-in listening'."
We warn the reader in advance that the proof presented here depends on a
clever but highly unmotivated trick.
-- Howard Anton, "Elementary Linear Algebra"