When I looked at Google's promotion system through this lens, I was very impressed. It seemed as though the system was designed to create disgruntled employees out of people who might otherwise be perfectly happy.
That's an interesting look at promotion systems, the way how they should be and the ways how they are in some big-name companies.
I visited Thomas Ptacek and the gang at Matasano (who are developing a firewall management product) over Christmas break and had a very productive discussion about marketing. One of the things Thomas mentioned was that I should probably blog out how you can use engineering resources to improve your marketing.
Very interesting approach to marketing. Not much of engineering, but no doubts absolutely worth reading.