The newest segment of e-commerce. P2P companies connect users with other users and let them swap files over the Internet. The aspect of P2P that is most important for e-commerce is personal electronic payments. PayPal is a P2P company that lets individual users send payments to one another via e-mail. ProPay is another P2P site that lets its members collect credit card payments. Such sites have a variety of uses, including payment for online auctions, and are useful for small businesses that want to set up shop online.

This is brought to by Smart Computing Magazine.