Indeed, XFN uses URLs as a way to talk about social relationships. However, in the case of XFN, URLs are used as a proxy for people, which is a practice in common use on the web. When I talk about a friend on my blog, I will commonly link to their...
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Indeed, XFN uses URLs as a way to talk about social relationships. However, in the case of XFN, URLs are used as a proxy for people, which is a practice in common use on the web. When I talk about a friend on my blog, I will commonly link to their homepage or blog. I use their See less 
