Millennium Dome the dome's new owners, the Anschutz Entertainment Group, to a design by HOK SVE and Buro Happold. It cost £600 million, and the resulting venue opened to the public on 24 June 2007, with a concert by rock band Bon Jovi. During the 2012 Summer Olympics, the artistic gymnastics events, along with the medal rounds of basketball, were held at The O2. It also held wheelchair basketball events during the 2012 Summer Paralympics. For sponsorship reasons, during those times the arena was temporarily renamed the North Greenwich Arena. Issues related to the Dome damaged Peter Mandelson's and John Prescott's political
O2 (UK) congestion. BT Cellnet launched the world's first GPRS network on 22 June 2000, although GPRS-enabled devices were uncommon at that time. O2 publicly announced on 15 December 2009 that it had successfully demonstrated a 4G connection using LTE technology installed in six masts in Slough. The technology, which was supplied by Huawei, achieved a peak downlink rate of 150 Mbps. In January 2012, the company announced plans to provide free internet to millions of residents and visitors in central London, by launching Europe's largest free Wi-Fi zone, along with free Wi-Fi access for anyone on any network in and around