And here's like ~120 of us who showed up to oppose AB 2023 (the 3D printer spyware bill). It was incredible. https://calmatters.digitaldemocracy.org/hearings/279741#t=19...
I think the easiest way to get involved is to become an EFF member. They'll keep you up to date on all the censorship and surveillance bills. Then you can contact your legislator, sent letters to the CA legislature committees, or show up to the hearings in Sacramento.
That said it was funny, yesterday Microsoft said I had to age verify my account. I went in basically with the intention of backing out of it at the first sign of over reach.
First step was, 'provide you email for this account'. So I did that and then... approved! You are certified over 18+. That is the flip side of this, some of these companies will put up some of the weakest barriers on this stuff.