1 David Akeroyd. Head of OSS Architecture Telefonica UK June 2013 Operational Intelligence 3 Who is Telefónica ? You know us better as • O2 is the commercial brand of Telefónica UK Limited and is a leading communications company with over 23 million customers as well as owning half of Tesco Mobile. • O2 employs over 11,000 people in the UK, has 450 retail stores and sponsors The O2, O2 Academy venues and the England rugby team.

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