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
Korea Tobacco & Ginseng Corporation Korea Tobacco & Ginseng Corporation KT&G (originally "Korea Tobacco & Ginseng" and later "Korea Tomorrow & Global Corporation", Korean : 한국담배인삼공사, Hanguk Dambae Insam Gongsa, ) is the leading tobacco company in South Korea with annual sales over $4 billion USD. KT&G was originally a government-owned monopoly but was privatized and today is publicly traded, competing for market share with other international tobacco firms such as Philip Morris International, British American Tobacco, and Japan Tobacco. KT&G’s sales volume share was 62% of the Korean market in 2009. KT&G produces popular Korean cigarette brands such as: The One, Indigo, Arirang, This,