They say that every shirt tells a story... Wait, no they don't. But on re-shirt.net, every second hand shirt does come with a story. In order to put a shirt up for sale, you have to write a story about it. And, if the shirt gets sold, the "account" stays open, so the next seller can add their own story to the shirt. An example, with linkage:

This shirt already got re-shirted once. I really liked this shirt and I wore it for one summer season. The next summer, my best friend asked me why I didn“t wear it anymore, because she liked the colour. So I gave it to her. Now this summer is over, and the shirt needs a new owner for the next season! [shirt story provided by Anne, Austria]
[Via Cool Hunting]