Clay Shirky's article, Fame vs Fortune: Micropayments and Free Content. The basic idea is that the mental transaction cost (among other things) of micropayment systems is going to kill them in the competition with free content. Most content is going to stay free. This is especially true of text, since the value of text increases considerably when it can be found by text engines.
Sorry, folks; artists are just going to have to find some other way to get paid.
Sorry, folks; artists are just going to have to find some other way to get paid.