Deutsche Telekom to launch Joyn March 4: SFR closes stores

> Deutsche Telekom will launch its Joyn messaging service this week. Article

> SFR to close 150 retail stores in France. Article

> Windows Phone OS market share jumps in UK. Article

> Telefónica profits fall 27 per cent on writedowns. Article

And finally…Why Vodafone shares are falling. Article

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