https://theintercept.com/2016/11/12/surveillance-self-defense-against-the-trump-administration

...or any administration. Give or take the Signal stuff this is pretty good advice. With Signal it's not OWS they should be focusing on but Google, because Google will have the message push data and in many cases the address books of Android phones. Also as far as I can tell Qubes only runs on certain special hardware. Last time I tried it wouldn't run on my laptop.