Zonk from the right-there-with-you dept.
PSP-Fanboy writes "More bad news for the UMD, which is already dying a speedy death at retail: not only are stores not stocking them, but no one really wants to buy UMD movies either. Although 40% of PSP owners claimed UMD media was a big reason why they plopped down a few hundred on Sony's pixel-spurting game brick, the complaint from actual owners is there just isn't anything worth goddamn buying on UMD."
We warn the reader in advance that the proof presented here depends on a
clever but highly unmotivated trick.
-- Howard Anton, "Elementary Linear Algebra"