Spammers could relatively easily make each spam email unique by changing small bits (like characters or words) of the message. Accounting for these would probably generate a lot of false positives.

But I'm sure the next keyboard you get will have a Windows key as proof of Microsoft's lasting legacy.

You also forgot to mention Microsoft mice and keyboards.

WBUR (Boston's NPR station) streams Ogg Vorbis. NPR's coverage is good as the parent commenter said; now you can get it with freedom.