Even if you don't agree with evil marketing, you want people to use your stuff. Right? Right. That's why you shared it with the world in the first place. Whether it's open source or commercial, you should do right by your project by pimping it effectively.
Compares the marketing copy of Prototype.js vs JQuery as a case study. (Prototype is losing marketshare to JQuery and really needs an overhaul.)
Clipping is a handy way to collect important slides you want to go back to later.