While we normally don't comment on market share fluctuations that occur in places other than America, some recent changes in the UK may bear mentioning. According to the AT Internet Institute, Google's share of the search market slipped by 1.6 percent between January and February. That's a significant amount. Indeed, as the slightly upsized figure below shows (sorry for any blurriness), if Ask and AOL had suffered similar losses, they'd have been wiped out, hitting zero.