Micropayments are great if you use them for a product or service with certain properties. It must be one where you can get away with usage-based pricing, and where there is a strong rationale for making it cheap, yet not free.
Nathan MyhrvoldThe first thing that is not obvious to people is global warming is a less-than-1% effect. It's like being shortchanged at the bank by a penny every dollar. Over a long period of time with lots of transactions, that piles up.
Nathan MyhrvoldI have a very pragmatic approach to diets. Ones you can't stick to don't do you any good. Some people say, 'Just eat half of what's on your plate,' but I can't do that!
Nathan Myhrvold