Hedwig Heinsman at Map Fest / Ignite Amsterdam #1, July 9 Share Facebook Twitter LinkedIn Pinterest E-mail download Willem Velthoven asks Hedwig Heinsman a question after her presentation at Ignite Amsterdam #1. Map Fest evening 3. Mediamatic Bank. July 9, 2010. With: Hedwig Heinsman, Willem Velthoven Where was this made?: Ignite Amsterdam 1
