[mogiddy55]

Buying used phones and laptops with cash at a bazaar whilst wearing a wig, one at a time.

You got a few days of Tor on each device; then they need to burn.

I really don't know what more you can do beyond making your own chat client. Internet is not a place for revolution.

[blacklion]

With all "security" cameras and face recognition software and big data mining, which links many sources together, real world in developed world is not a place for revolution too.

Welcome do dystopia and hope that governments in developed world will not become too nasty (CCP-level nasty) too soon due to inertia.