I've just hired a temp from Freelancer to help me the mobile pages on my content sites to make certain I am serving up . It is a gargntuan task for me as I have several content sites and each with a set of well aged content. AMP is here to stay, I played around with some sites belonging to a friend of mine and the difference was definitely worth getting this done on my sites!
Consider this for your content sites!
From Search Engine Land:
How do Accelerated Mobile Pages work?

What are Accelerated Mobile Pages? Accelerated mobile pages (AMP) are essentially stripped down HTML copies of existing webpage content that offer faster load times than standard HTML5 documents. Websites can serve AMP pages by implementing the rel=amphtml tag into their HTML.
Consider this for your content sites!
From Search Engine Land:
How do Accelerated Mobile Pages work?
What are Accelerated Mobile Pages? Accelerated mobile pages (AMP) are essentially stripped down HTML copies of existing webpage content that offer faster load times than standard HTML5 documents. Websites can serve AMP pages by implementing the rel=amphtml tag into their HTML.