There are plans to have some speaker track video piped to hotel rooms. The past place to check for these is:
https://dctv.defcon.org/

With some hotels, they may have pay-per-view attached to some channels, and just by flipping through them, you might get charged. To avoid those risks, check for updates on that page, and from accounts on twitter like:
* https://twitter.com/thedarktangent
* https://twitter.com/dcib
* https://twitter.com/defcon
* https://twitter.com/DEFCON_NOC
* https://twitter.com/Niki7a
* https://twitter.com/v3rtig0
* https://twitter.com/Grifter801
* https://twitter.com/defcon101

There are two competing systems for electronic, human assembled schedules of events:
* [ebook formats and html ] https://forum.defcon.org/forum/defco...tml-and-ebooks
* [An app that runs code on your device] https://play.google.com/store/apps/d....hackertracker

What links and sources have you found as useful during con?