Barter

Market transaction based on direct trading of 2 goods, rather than via a separate Medium Of Exchange like Currency/Money.

Craigs List has some barter activity.

The ultimate story: One Red Paperclip http://oneredpaperclip.blogspot.com/

• another example - using Craigs List

Sept'2010 series by No Lo author Janelle Orsi

site

• U Exchange http://www.u-exchange.com/

• http://www.swapathome.com

• Surkle very little action http://www.surkle.com/

• the Market Place FaceBook app has an "items wanted" category: vast majority of listings are books.

• there are 91 Classified Ads apps in FaceBook

• and lots of apps that include "trade" in the description