Forum Moderators: buckworks
The biggest obstacle to using credit cards for micropayments is the cost of transaction processing. Typically, a transaction costs 20 cents to a quarter, plus 2 percent to 3 percent of the price of the item being sold. For very inexpensive products, the transaction expense can wipe out any profit.Peppercoin 2.0 has reduced the transaction expense to less than 10 cents, Solomon said
Micropayments have been talked about briefly on WW world before [google.com]
and visit the W3C "graveyard" of micropayments [w3.org]