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
Communications and Information Technology Commission (Saudi Arabia) Communications and Information Technology Commission (Saudi Arabia) Communications and Information Technology Commission (CITC) (, Hai'at al-Ittisalat wa Tiqniyyat al-Ma`lumat) is the Saudi communications authority. It was first established under the name of Saudi Communications Commission in accordance with the decision of the Council of Ministers. The name was changed after the Commission was assigned new tasks related to information technology. Since October 2006, CITC has been handling the DNS structure and filtering in Saudi Arabia in the place of KACST (King Abdulaziz City for Science and Technology). The Communications and Information Technology Commission is responsible for regulating the Internet and