An O2 logo sits on display on the transmission tower near satellite dishes at the headquarters of Telefonica Czech Republic AS in Prague, Czech Republic, on Tuesday, Nov. 5, 2013. Billionaire Petr Kellner's PPF Group NV agreed to buy a controlling stake in Telefonica Czech Republic AS for about $3.4 billion, returning the country's biggest phone company to local ownership after eight years. Photographer: Martin Divisek/Bloomberg via Getty Images
