Listia is a web and mobile marketplace where users exchange goods for free. Traders give away things they don’t want or need in exchange for credits that are later redeemed for goods offered by other users. Founded in 2009, Listia is headquartered in Mountain View, CA and is backed by General Catalyst, Andreessen Horowitz, SV Angel and Y Combinator. For more information, please visit www.listia.com. Listia's free mobile apps are available for both iPhone and Android devices.