Introduction to Microformats
What are microformats? Why and how to use them? Well if you practice semantic web (nice going by the way), then try to go about it so that everbody understands you. That is machines and humans. By following a few simple rules for marking up you code (by means of tags rel, rev and class) you are ensuring that everybody will be able to understand you and your code just a little bit better. This article ought to give you a quick glimpse of why to start using microformats. (via)
