Red Hat becomes the first open source company to amass a billion dollars
That seems to make them 1/69th the size of Microsoft by revenue but 1/270 the size by profits. Notice that Red Hat's profits are about 1/10 of income but MS' profits are about 1/2 of income. Shows the incentive to get monopoly.http://en.wikipedia.org/wiki/RedHat
http://en.wikipedia.org/wiki/Microsoft