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
Zündwaren monopoly Zündwaren monopoly The German Zündwaren monopoly (translated Monopoly for Safety Matches) began in 1930 when Germany's Reichstag passed a bill named "Zündwarenmonopolgesetz" ("Safety Matches Monopoly Law"), which allowed the "Deutsche Zündwaren-Monopolgesellschaft" (translated "German Society for the Safety Matches Monopoly") exclusive rights to distribute safety matches within the borders of the German Empire. The only brands the "Deutsche Zündwaren-Monopolgesellschaft" could distribute were "Welthölzer" ("World Matches") and "Haushaltsware" ("Household article"). Local German manufacturers obtained licenses to produce preassigned volumes to sell domestically and were not allowed to export these matches or to establish new firms. The official monopoly had been acquired by