It’s been a big news week for German incumbent operator Deutsche Telekom, not least with the announcement that CEO René Obermann is going Dutch at the end of the year. Obermann, the Pep Guardiola of the telecoms world, is off to ply his trade in the Netherlands, at Dutch cable operator Ziggo. We already knew Obermann’s time at DT was coming to an end, with the firm announcing last December that he would leave at the close of 2013.

Seventeen mobile operators have committed to launch devices using Mozilla’s Firefox OS in an attempt to generate more revenues from mobile services and help them reduce the handset costs they incur from subsidising high-end smartphones.

Telefónica Digital has announced a new deal with Firefox browser-maker Mozilla on the first day of Mobile World Congress 2012. The two firms have collaborated to create a new mobile platform, which will see a host of HTML 5 based devices running on the open web entering the market.