They all seem to do this from time to time. Perhaps they're trying to signal to others that now is the time for a price increase; basically they hope to drag the whole market up, even if only a little, knowing that they'll probably have to make some pricing concessions before long. It's a puzzle though, Hands0n, isn't it, how O2 and giffgaff can be using the same physical infrastructure and yet be worlds apart in their tariffs.