==== Micropayments ====
selling small things or small amounts, often using digital [[Currency Systems]]

==== systems ====

  * http://www.bitcoin.com/ etc+
  * http://paypal.com



==== discussions ====

the case for miocropayments circa 1998 [link] and the case against circa 2000 [link]
  * http://www.useit.com/alertbox/980125.html
  * http://www.openp2p.com/pub/a/p2p/2000/12/19/micropayments.html