[beagle3]

1) They still control 90% of the "Office / Productivity" software market; They just got below 50% in the web browser market, they're still above 90% of the operating systems market for personal computers (a category that includes desktops, laptops, but does not include tablets); And something like 20% of server o/s market.

How can one construe that as "not dominant", I don't know.

2) It doesn't go up to Ballmer (there are no "likes of ballmer" in MS - there is only Ballmer). But it got at least two levels below (which is a considerable number of levels up from a "grass roots" start, anywhere from 4 to 8).