O2 (Ireland) BT Group and 1 mm02 share for each British Telecommunications share they held. After the de-merger, most of mmO2's operations, including Digifone, were rebranded O2. mmO2 plc later became O2 plc and remained an independent company until 2005. On 31 October 2005 it was announced that Telefónica, S.A., the Spanish telecommunications company, had made a recommended takeover bid for O Ireland's parent company, O2 plc. This was then approved by shareholders and O was officially purchased in mid February 2006. The O2 brand is now used in several countries for Telefónica's mobile operations outside Spain and Latin America, where Telefónica
O2 Global Network O2 Global Network O2 Global Network (O2 International Network for Sustainable Design, stylized as O Global Network) is an international network for people interested in sustainable design. The network is made up of the O2 Global Network foundation, regional hubs, local groups, liaisons and individuals (called O2's). It has currently more than 70 country contacts. O2 ("Oxygen") was founded in 1988 in Milan by Niels Peter Flint, Thierry Kazazian, Jorgi Scheicher, Jeremy Quinn and others. O2 Groups in Denmark, Finland, France, Sweden and the United Kingdom followed. Six years later (5 July 1994), Iris de Graaf and Willem Hanhart founded