The O2 venue, rebranded The O2, was reopened to the public on 24 June 2007 with a concert by Bon Jovi in the arena. The O2 celebrated its first year with a book, including a double page picture of Elton John from his September 2007 "Red Piano" show. Prior to this reopening, other events took place, including a soft opening for residents of the area to explore the entertainment district and an opening for staff called "The O2 Premiere" which featured Peter Kay, Tom Jones, Kaiser Chiefs and Basement Jaxx. An event called "Out of the Blue" featuring circus acts also took
O2 (Ireland) body, ComReg, that the Irish mobile phone market needed greater competition, and acknowledged that "tacit collusion possibly existed between O2 and Vodafone". In May 2007, O2 Ireland management announced that the entire O2 Ireland technical staff were to be outsourced to a single Managed Service Provider. The next month O2 customers got a busy signal or no dial tone at all when they tried to make calls due to a network glitch. The reason for the glitch remained a mystery at the time because the company's spokesperson couldn't be reached by the media on her mobile, also seemingly affected by