Apple embraces microformats in new .Mac webmail at FactoryCity
http://factoryjoe.com/blog/2006/10/28/apple-embraces-microformats-in-new-mac-webmail
"Given the source code that I’ve been provided, I can confirm that Apple has indeed added support for hCard in .Mac webmail, though not without a few errors (notably the ‘n’ optmization)."