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Hi.  I was wondering if others have had this happen to them.  Lately, I've noticed that on a couple of my sites the homepage no longer appears in the Google SERP.  Instead, a Facebook page I've created appears in the position the homepage used to get. My subpages still get listed in Google--just not the homepage.  Obviously, I'd prefer that both the homepage and Facebook page appear. Any thoughts on what's going on? Thanks for your help!