text: Prices Fluctuate in a Flash Prices for flash memory cards -- the little modules used by digital cameras, handheld organizers, MP3 players and cell phones to store pictures, music and other data -- are headed down -- way down. Past trends suggest that prices will drop 35 percent a year, but industry analysts think that rate will be more like 40 or 50 percent this year and next, due to more manufacturers entering the market.