Theo Deutinger at Map Fest / Ignite Amsterdam #1, July 9 Delen Facebook Twitter LinkedIn Pinterest Email download Willem Velthoven asks Theo Deutinger a question after his presentation at Ignite Amsterdam #1. Map Fest evening 3. Mediamatic Bank. July 9, 2010. Met: Theo Deutinger, Willem Velthoven Waar is dit gemaakt? Ignite Amsterdam 1