O2 (UK) Telefónica O2 had a long-standing relationship with Arsenal F.C., being their shirt sponsor until the end of the 2005/2006 season. In 2005, a three-year deal was signed that saw Telefónica O2 become the team's exclusive mobile communications partner. O2 were the main sponsor of the Channel 4 reality TV show "Big Brother" from its second series (as BT Cellnet) in 2001 until its fourth series in 2003. They also sponsored the spin-off shows "Celebrity Big Brother 2" in 2002 and "" in 2003. In total O2 sponsored five series of the show. O2 sponsored music festivals, the Wireless Festivals, from
PageOne Communications new name 'PageOne Communications'. 1992 - Mercury Paging Ltd acquires Intercity Paging ltd. Intercity's owner, Mtel Corporation (US) becomes the third shareholder. In the same year Mercury Paging's paging network infrastructure underwent extensive investment with satellite distribution technology implemented nationwide. 1990 - Using a single UK paging license, Mercury Paging commenced trading. A second UK paging channel was allocated in 1990. 1986 - PageOne Communications incorporated under its former name of Mercury Paging Ltd, its parent company, Mercury Communications being jointly owned by Cable and Wireless and Motorola. PageOne (operating under the Mercury brand) was the first UK organisation to