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
Raindance Communications Raindance Communications Raindance Communications, Inc. was a US company that provides online meeting, web conferencing and teleconferencing services. Its products include "Raindance Seminar Edition", "Raindance Meeting Edition", "Raindance Web Conferencing Pro", "Raindance Reservationless Conferencing", and others. The company is typically referred to as simply "Raindance." Raindance was founded in April 1997. Originally called Vstream, the company specialized in the emerging field of internet streaming media. In 1999 the firm diversified into the web conferencing space by hosting and webcasting audio conferences using its existing streaming technology. In 2000, Vstream changed its name to Evoke Communications and offered its IPO. In