Selected answers from the Dumb SEO Questions Facebook & G+ community.
Alan Bleiweiss: Yes,they sent out advanced notice to some sites last month to prepare. And announced it. Not sure how many, though some of my clients got the GSC notice, so that is how I learned.
Jenny Halasz: Agreed with Alan. Although one of my friends did a very informal survey of non SEOs and not a single one of them knew what it meant....
So apparently amp is now on non news pages?
