angry tapir sends along coverage from Good Gear Guide of a recent Microsoft !0-K SEC filing: "Microsoft for the first time has named Linux distributors Red Hat and Canonical as competitors to its Windows client business in its annual filing to the US Securities and Exchange Commission. The move is an acknowledgment of the first viable competition from Linux to Microsoft's Windows client business, due mainly to the use of Linux on netbooks, which are rising in prominence as alternatives to full-sized notebooks. ... 'Client faces strong competition from well-established companies with differing approaches to the PC market,' Microsoft said in the filing. 'Competing commercial software products, including variants of Unix, are supplied by competitors such as Apple, Canonical, and Red Hat.'"

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