O2 (UK) sale units, and with handset manufacturers, such as Apple and Samsung, to enable NFC technology on all future devices. On 23 February 2011, O2 announced it would launch a "second phase" for O2 Money, by discontinuing its branded cash cards in favour of a "mobile wallet" application for Android and iOS devices. The application would use NFC technology embedded in a phone to access money. It was announced on 9 January 2014 that the O2 wallet service would close on 31 March 2014. The BT Cellnet consumer brand was renamed O – the chemical symbol for an oxygen molecule –
The O2 redeveloped. The area is served by the Jubilee line's North Greenwich tube station, which was opened just before the millennium exhibition, and by bus routes. Thames Clippers operate a river boat service for London River Services; the present tenants, AEG, purchased Thames Clippers in order to provide river links between central London and The O2. As well as a commuter service, Thames Clippers operates the O2 Express service. Local buses also serve the station and the nearby O2. On 23 February 2017, O2 announced that they had agreed a deal with AEG to maintain the naming rights of The O2