Are you considering going AMP? Are you confused about PWAs and if you should consider that route? Well, a week ago, Google's John Mueller and Paul Bakaus from the AMP team, put together an hour long video hangout going through the topic. The first 30 minutes is a presentation from Paul, which is 100% worth the time watching. The last 30 minutes is Q&A with webmasters about the topic.
Here is the video:
Forum discussion at YouTube.