[Discover] BookMooch: a community for exchanging used books (book swap and book exchange and book trade) http://www.bookmooch.com/
(books swap free community) 
[Discover] BookCrossing - The World's Biggest Free Book Club - Catch and Release Used Books http://www.bookcrossing.com/home (books sharing community free)
[Discover] SwitchPlanet.Com http://www.switchplanet.com/ (swap music social audio)
[Discover] ::: Swapagift.com ::: http://www.swapagift.com/ (shopping gifts deals discounts)
[Discover] LendList.org - Easily share with your friends and neighbors, and track who has what http://www.lendlist.org/ (lend borrow trade)
[Discover] LibraryThing | Catalog your books online http://www.librarything.com/ (books socialnetwork book social)
[Discover] Peerflix: No DVD Rentals! Trade Your DVDs http://www.peerflix.com/ (movies video shopping dvd)
[Discover] Food - Supermarkets - Obesity - Nutrition - Calories - Farmers - Agriculture - New York Times http://www.nytimes.com/2007/04/22/magazine/22wwlnlede.t.html?ex=1180238400&en=546583ff1fa17c0e&a ... (agriculture politics food safety)
[Discover] PaperBackSwap.com http://www.paperbackswap.com/ (community swap shopping books)
[Discover] Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers http://www.alibaba.com/trade/home/ehomepage (directory business suppliers china)
[Discover] Zunafish: Trade DVDs, CDs, Books, Videogames & more! http://www.zunafish.com/ (sharing books music shopping)
[Discover] BookMooch: exchange books and trade them, like a book swap or book barter http://bookmooch.com/ (books community exchange trade)
[Discover] Title Trader - Book Swap and trade your used books, DVDs, CDs, and textbooks for something new, ... http://www.titletrader.com/ (swap shopping books music)
[Discover] America's BookShelf, The World's Largest Book Club, Is A Book Exchange Club That Connects People ... http://www.americasbookshelf.com/ (books community green rental)
[Discover] Novel Action, Inc. http://www.novelaction.com/main/ (books swap resources shopping)
[Discover] Goozex - Trade video games for Sony Playstation 3, PS2, Microsoft Xbox 360, PC, Nintendo Wii, ... http://www.goozex.com/trading/asp/homepage.asp (games videogames trading gaming)
[Discover] Coroflot - Events, Experiential, Entertainment, Exhibit, Consumer Based, Corporate Meetings or ... http://www.coroflot.com/groups/join_group.asp?group_id=240 (exhibits design exhibit show)
[Discover] Swap textbook, DVD, CD http://www.swapsimple.com/ (shopping books swap trade)
[Discover] Prediction Markets - Intrade - 2006 Mid Term Elections Trading http://www.intrade.com/ (economics markets politics finance)
[Discover] My Zunafish http://www.zunafish.com/gameboard.php (games shopping entertainment books)
[Discover] BookCrossing - The World's Biggest Free Book Club - Catch and Release Used Books http://www.bookcrossing.com/home (books sharing community free)
[Discover] SwitchPlanet.Com http://www.switchplanet.com/ (swap music social audio)
[Discover] ::: Swapagift.com ::: http://www.swapagift.com/ (shopping gifts deals discounts)
[Discover] LendList.org - Easily share with your friends and neighbors, and track who has what http://www.lendlist.org/ (lend borrow trade)
[Discover] LibraryThing | Catalog your books online http://www.librarything.com/ (books socialnetwork book social)
[Discover] Peerflix: No DVD Rentals! Trade Your DVDs http://www.peerflix.com/ (movies video shopping dvd)
[Discover] Food - Supermarkets - Obesity - Nutrition - Calories - Farmers - Agriculture - New York Times http://www.nytimes.com/2007/04/22/magazine/22wwlnlede.t.html?ex=1180238400&en=546583ff1fa17c0e&a ... (agriculture politics food safety)
[Discover] PaperBackSwap.com http://www.paperbackswap.com/ (community swap shopping books)
[Discover] Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers http://www.alibaba.com/trade/home/ehomepage (directory business suppliers china)
[Discover] Zunafish: Trade DVDs, CDs, Books, Videogames & more! http://www.zunafish.com/ (sharing books music shopping)
[Discover] BookMooch: exchange books and trade them, like a book swap or book barter http://bookmooch.com/ (books community exchange trade)
[Discover] Title Trader - Book Swap and trade your used books, DVDs, CDs, and textbooks for something new, ... http://www.titletrader.com/ (swap shopping books music)
[Discover] America's BookShelf, The World's Largest Book Club, Is A Book Exchange Club That Connects People ... http://www.americasbookshelf.com/ (books community green rental)
[Discover] Novel Action, Inc. http://www.novelaction.com/main/ (books swap resources shopping)
[Discover] Goozex - Trade video games for Sony Playstation 3, PS2, Microsoft Xbox 360, PC, Nintendo Wii, ... http://www.goozex.com/trading/asp/homepage.asp (games videogames trading gaming)
[Discover] Coroflot - Events, Experiential, Entertainment, Exhibit, Consumer Based, Corporate Meetings or ... http://www.coroflot.com/groups/join_group.asp?group_id=240 (exhibits design exhibit show)
[Discover] Swap textbook, DVD, CD http://www.swapsimple.com/ (shopping books swap trade)
[Discover] Prediction Markets - Intrade - 2006 Mid Term Elections Trading http://www.intrade.com/ (economics markets politics finance)
[Discover] My Zunafish http://www.zunafish.com/gameboard.php (games shopping entertainment books)