They're trying (sort of): http://code.google.com/closure/library/
Here's a talk once about their process: http://www.youtube.com/watch?v=697KX4Ciiws#t=02m40s
and a blog post: http://googleblog.blogspot.com/2008/04/what-makes-design-goo...
P.S. Anyone know an easy Maps API trick for setting zoom level to display each of the U.S. states (which vary dramatically in size)?
http://maps.google.com/maps?f=q&source=s_q&hl=en&... (from searching Texas)