FREE: The Future Of A Radical Price – By Chris Anderson – One of the best business / economics books I’ve ever read.
Or rather, listened to. Download the audiobook version of this book as zipped MP3 files (that’s what I did), read it online at ScribD, or look up the reference links in Chris’ blog post to find out the other ways you can access the content.

Two of my favorite sections in the book were on how online video games and Google make their money charging no money for most of their products and services.
You might like to read a sample chapter, Tech Is Too Cheap to Meter: It’s Time to Manage for Abundance, Not Scarcity.