Grandma's dresser or collectibles from the nineties - flea market enthusiasts often crave things that other people throw away. Now thanks to the SWOP Team app people can search for old treasures digitally. Users can put furniture and objects they have cleaned out on the platform. Anyone interested in a piece merely has to go collect it. Unlike at a conventional flea market, the happy new owner does not pay for it, but donates a voluntary amount to a regional non-profit organisation. That strengthens social commitment and protects the environment.