100% agreed, with the caveat that they're way more workable than any micropayment system. Who's the broker? How do we decide how much "traffic" your site got

100% agreed, with the caveat that they're way more workable than any micropayment system. Who's the broker? How do we decide how much "traffic" your site got and how much revenue it's entitled to? How do you join? Do you need to join to make money off of eyeballs? Plus, the chicken egg issues, as you cite.