Timothy Snyder's excellent little book On Tyranny: Twenty Lessons From The Twentieth Century is a must-read for anyone who would like to live in a free and fair society.
(By "little" I mean that it's smaller than my hand and only 126 pages long, so anyone can read it in an hour or two.)
I have a theory that doing anything, no matter how small, is better than doing nothing. This is the first of a few tiny posts on how to use technology to do your part to oppose tyranny.