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Articles about XFN - The XHTML Friends Network in particular.
Add articles and blog posts specifically about XFN, most recent first, grouped by year, adding sections for years as necessary.
- 2008-09-17: Getting Semantic With Microformats, Part 2: XFN by http://ablognotlimited.com/articles/getting-semantic-with-microformats-part-2-xfn/:
- SitePoint reference: XFN by Ian Lloyd