In today’s Soapbox, a warning about the hack in low-authority medical advice with content mirrors and “buying guides” slipping through Google’s algorithm.

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Original source: http://feeds.searchengineland.com/~r/searchengineland/~3/FvYLg9oeJlA/subdomain-leasing-and-the-giant-hole-in-googles-medic-update-322035