O2 looks to iPhone to maintain growth

O2 expects the launch of broadband and Apple's iPhone to maintain its momentum during the second half of the year, after it outperformed the market over the past three months.O2 refused to confirm that it has won the right to sell Apple's music-oriented handset exclusively in the UK, despite evidence appearing in source code on Carphone Warehouse's website.Peter Erskine, chief executive of O2,