That sounds anti-commerce. But actually microformats could help even commercial sites by, say, bringing more traffic to a book review magazine than it would receive otherwise. Theoretically Yahoo could create a page listing reviews for a certain book and automatically pick up ratings from each publication’s writeup. Such a capability, in turn, might just drive you to visit the sites and see how the reviewers justified the rating. What’s more, other sites could ride Yahoo’s coattails and reproduce the Yahoo page.