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
Institute of Science and Technology, UK Institute of Science and Technology, UK The Institute of Science and Technology is a UK-based professional organization which is a member of the Science Council and thereby authorized to award the designation Registered Science Technician (RSciTech), Registered Scientist (RSci) and Chartered Scientist (CSci). It was formed in 1948 as the Science Technology Association, became the Institute of Science Technology (IST)in 1954 and took its present name in 2007. The IST was formed specifically for science laboratory technicians, and continues to provide specialist qualifications in this area, up to Higher Diploma but has expanded the membership in line with developments in