Since January IE7 went from 53.7% down to 30.79%. For a net drop of 22.91%. In that same period IE8 went up from 1% to 15.23%. A net gain of 14.23%. So the up

Since January IE7 went from 53.7% down to 30.79%. For a net drop of 22.91%. In that same period IE8 went up from 1% to 15.23%. A net gain of 14.23%. So the upgrade there cost Microsoft 8.68%. And then there is an extra 10% drop for IE6