> In crowded situations where internet access may be near-nonexistent, Orca encourages protesters on the edge of a crowd—where data coverage is better—to download the map, then AirDrop it into the crowd so it can make its way deep into the middle. “We call it rippling out, or rather rippling in,” he said.

This is by far the most interesting part for me. My fear is always what happens when authorities "turn off the hose", but mesh networks like this are inspiring.