Pricing
Lectures
Pricing information
Versioning
Auctions [later]
Examples of pricing
Neue Galerie Scraps a $50 Offer to See Its New Klimts
Pricing online storage
Online Retailers are Watching You
Rebates on Way to Expiring
Rebates on Way to Expiring
Microsoft Offers Cash for Wikipedia Edit
Idea of Paid Entries Roils Wikipedia
A Stream of Movies, Sort of Free
I-pod prices around the world< (CSV)/li>
Big Mac price index (GIF)