As well as growing its cusomer base by 13% year-on-year, the total number of text messages sent by O2 customers grew by 32% year-on-year, to 5.05 billion.
Link: http://www.160characters.org/news.php?action=view&nid=1902
Mike over at 160 characters has an excellent break-down on recent o2 statistics which makes very interesting reading.
