] A little known online music store is experimenting with a
] new pricing system in which most songs start out costing
] a dime, and their prices fluctuate from there based on
] customer demand.

] "We a have certain amount of money allocated for this,
] and when that runs out, we'll go back" to higher prices,
] said Holly Cooper, Digonex's marketing director. "This
] is basically so we can gather some real world data."

Music site tries floating price tags | CNET News.com