You mean: "has been dropping steadily".
> IE9 is going to be one of the most important products Microsoft ever ships.
I've heard that about '95, '98, 2000, XP, Vista and windows 7 as well as a whole bunch of products. They can't all be 'one of the most important products Microsoft ever ships'.
They already are, just not in the IE world. That's the reason for line one above, Microsoft has been playing catch-up.