Ron Rivest has a statistical method of collecting Micropayments : http://www.boston.com/dailyglobe2/048/business/Solving_the_problem_of_micropayments+.shtml
Contrast :
Hey, I say I win BonusFreakyConnectionPoints for joining this with AllClocksAreClouds because of Shirky's statement : When you disaggregate a newspaper, it becomes harder to value, not easier. By accepting that different people will find different things interesting, and by rolling all of those things together, a newspaper achieves what micropayments cannot: clarity in pricing.