I just wanted to mention the fine print that Google includes at http://code.google.com/apis/maps/documentation/geocoding/. As it stands, what this article does would breach Google license restrictions that state that use...

I eliminated numbers 1 and 3 in my head since it didn't calculate my age correctly, and picked 2. Oh well.

Anyway, it looks like number 3 should be:

DATEDIFF(yy, @DateOfBirth,...