1. The author is a case handler at Unit C.3 – Antitrust: IT, Internet and Consumer electronics at Directorate General for Competition of the European Commission. The author writes in his personal capacity. The views expressed in this article are solely those of the author and cannot be seen as representing in any way those of the Directorate General for Competition of the European Commission. The author would like to thank Michael Adam, Nicholas Banasevic, Rainer Becker, Fabio Cannizzaro, Jose Maria Carpi Badi