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) their inception in 2005 until 2008. O2 is the sponsor of The O2 in London. Since its launch in 2007 the Millennium Dome has been transformed and rebranded by O2 into an entertainment venue. O2 customers can get "Priority Tickets" up to 48 hours before they are released to the general public. The O2 offers exclusive areas for O2 customers, including the "blueroom" bar and the "O2 lounge". Once inside, O2 customers can change their experience of these areas by dictating the wallpaper designs and jukebox requests through text. O2 also contributed 'O2 angels', a team of people trained to