Once upon a time, mobile networks were all the same.
Then one decided to change, re-invent itself, innovate and behave in a way its customers wanted it to behave.
This is the story of O2...
*Content published March 2007. For Telefónica Europe’s latest key performance data, please visit our Investor Centre and our full set of first half results for the six months ended 30 June 2009.
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