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How do I make Windows 7 HomeGroup content accessible to Vista and XP?

This is an awesome demonstration of Social SEO. SEO in itself is often a difficult concept to grasp and you've made it easier for a bunch of folks. Additionally, people often limit themselves to social networks in regards to social media. Implementing SEO gives you the full package. I just wrote a post similar to this about prepping your blog for SEO but without the diagrams.