Noch immer: Steigende Downloadverkäufe fangen fallende CD-Verkäufe nicht auf: http://j.mp/7bHK8i #TheBigPicture
Linktipp 27
Published by Johannes Eber
Berlin-based economist, senior consultant at Initiative Neue Soziale Marktwirtschaft (INSM) and co-founder of the media agency Solokarpfen. View all posts by Johannes Eber
Published