Ronan Dunne, CEO of O2 UK, has publicly apologized to Londoners for the poor performance of its network over the past 6 months, blaming the explosion of demand for data by smartphones such an Apple’s iPhone for its woes. Londoners on O2 have struggled with intermittent data outages and occasional periods where they could not make or receive phone calls, a scenario all too familiar for AT&T customers in the US. [via]