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
Entropic Communications Entropic Communications Entropic Communications is a provider of semiconductor solutions for the connected home. Founded in 2001, the company is headquartered in San Diego, California, USA, and maintains offices worldwide. The fabless semiconductor company is recognized for inventing the MoCA® (Multimedia over Coax Alliance) home networking technology, creating Direct Broadcast Satellite (DBS) Outdoor Unit (ODU) single-wire technology, and developing the industry’s first ARM® processor and OpenGL graphics Set-top box (STB), System-on-a-Chip (SoC). Entropic completed its initial public offering on December 7, 2007, listing on the NASDAQ exchange under the ticker symbol ENTR. Entropic was acquired by MaxLinear for a total