O2 (UK) first commercial General Packet Radio Service. BT Cellnet, together with BT Group's mobile telecommunications businesses in Germany, Ireland and the Netherlands, was part of the BT Wireless division. This was spun off from the BT Group in 2002 to form a new holding company, mmO2 plc, which introduced the new "O2" brand for the businesses. In 2005, mmO2 plc was renamed O2 plc. O2 plc was purchased by the Spanish telecommunications company Telefónica in 2006 for £18 billion. Under the terms of the acquisition, Telefónica agreed to retain the "O2" brand and the company's UK headquarters. O2 plc became Telefónica
O2 (UK) greet and direct visitors. Other smaller touches include changing the lighting, carpets and seats in the arena to the colour blue. The O2 Arena was the site of the artistic gymnastics events and medal rounds in basketball for the 2012 Summer Olympics. In February 2017, in a continuation of its agreement with AEG, the developers of the site, O2 announced that it had renewed its naming rights for a further ten years. Since 2008, O2 is partnered with Live Nation and the Academy Music Group, allowing O2 to rename the music venues. The partnership allows O2 to offer customers priority