4FriendsOnly.com Internet Technologies AG, our spin-off company
Fraunhofer IDMT, we are working close together
Fraunhofer IIS, we develop OMA DRM superdistribution together
Virtual Goods Workshop, our scientific workshop
PotatoSystem, our content distribution platform
Paybest, our online payment system
My Teaching Stuff
My R&D Stuff
My Publications
That's me
My Extra Stuff
HD+ (Wikipedia)
Open Mobile Alliance (OMA) DRM 2.0
DRM-Experte Bill Rosenblatt erklärt, warum DRM nicht tot sein sollte
Amazon's Kindle
