This week I attended the monthly Docker Atlanta meetup (http://www.meetup.com/Docker-Atlanta/) where they did a DockerCon 2016 recap. Excellent material.
Here are a couple of demonstrations that REALLY have me excited:
https://blog.docker.com/2016/07/live-debugging-docker/
https://blog.docker.com/2016/06/dockercon-video-mobys-cool-hacks/
(section: In-the-air update of a drone with Docker and Resin.io)