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
Frontier Communications of Mondovi Frontier Communications of Mondovi Frontier Communications of Mondovi LLC is a telephone operating of Frontier Communications providing local telephone services to Mondovi, Wisconsin. The company was founded in 1904 as the Mondovi Telephone Company. It was later acquired by Rochester Telephone. In 1994, Rochester Tel changed its name to Frontier Corporation, resulting in Mondovi Telephone becoming Frontier Communications of Mondovi, Inc. The company later became an LLC. Many people regard Frontier Communications as the worst in the industry, offering a 3Mbps connection in rural Mondovi. Users rarely receive said speeds. There was an outage on 4/25/17 that lasted from approximately