The 4th BME eLösungstage 2013 is Europes biggest e-procurement exhibition. The 2-days event was held under the motto "digitization of procurement". More than 400 procurement and general managers participated in  the exhibition in Düsseldorf, Germany. Raoul Groening, General Manager of Clickbuyer, was one of the two Keynote-Speakers. Here you can find the presentation slides.