Wikipedia
Tradepal
Tradepal is a real-time marketplace application that makes it convenient to trade and exchange with people in and around communities. The company develops technologies that facilitate the building of a proprietary interest graph leading to the discovery, sharing and trading of items among like-minded people. Tradepal introduced its people-centric marketplace at the DEMO conference held in Santa Clara, California on September 12 to 14, 2011. The peer-to-peer product was well received by the Silicon Valley technical community, and was named one of the top 10 favorite startups at the DEMO Conference. Tradepal was launched on September 13, 2011.