"Barterly" is shortening the time required to trade two items from one person to another. Location based item trader. It is unique because people do not BUY the item. They trade it. Barter it. with their unwanted, old, yellow, big items. Open your wardrobe and list me the shirts you are wearing only once a year. You want a new one don't you? Don't worry, me too. Why don't we use the app and pay nothing for new shirts?