O2 (UK) BT subsidiaries: Esat Digifone in Ireland, Viag Interkom in Germany and Telfort Mobiel in the Netherlands. The rebranding was supported by a European advertising campaign, which began on 16 April 2002, across all four countries, at a cost of £130 million. The main launch campaign ran from 18 June and was developed by Vallance Carruthers Coleman Priest, working alongside brand consultancy Lambie-Nairn, creators of the "O2" brand identity. In March 2005, mmO2 restructured its shares and the company was relisted as O2 plc. On 30 November 2005, O2 agreed to a takeover by Telefónica, a Spanish telecommunications company, for £17.7
Institute of Science and Technology, UK Institute of Science and Technology, UK The Institute of Science and Technology is a UK-based professional organization which is a member of the Science Council and thereby authorized to award the designation Registered Science Technician (RSciTech), Registered Scientist (RSci) and Chartered Scientist (CSci). It was formed in 1948 as the Science Technology Association, became the Institute of Science Technology (IST)in 1954 and took its present name in 2007. The IST was formed specifically for science laboratory technicians, and continues to provide specialist qualifications in this area, up to Higher Diploma but has expanded the membership in line with developments in