Upstream Worldwide, Inc. announced it will display cash offers for consumers' smart phones and other handheld devices from three new partners: UpTradeIt.com, Technollo.com, and Depstar.com. The addition of new partners to the uSell platform gives customers more options on pricing and more flexibility to choose the buyer and offer that's right for them. To further help customers find the right buyer for their used smart phones, uSell has also added user accounts and buyer ratings to its already robust marketplace platform, making uSell the place to get unbiased consumer feedback about their experience selling their used smart phones and electronics.