Iikka Lovio´s presentation on the time banking experiment at Helsinki Region Student Housing Foundation´s Kamppi buildings. The exchange is carried out as part of the Hoas Lab project. more information: http://www.facebook.com/pages/HOAS-laboratorio-Opiskelijael%C3%A4m%C3%A4%C3%A4-parhaimmillaan/131890073545448