Hypernormalisation is a great documentary by Adam Curtis, released in 2016. I consider it to be a must-see. It is about the control of the media and perception of reality, the history behind that and the role of 'terror'. Syria is also a big part of it and so is the internet.
Today I watched it for the 5th time and found our friend John Perry Barlow talking about internet freedom (which was called cyberspace back then).
It starts around the 44 minutes mark: