potential spoiler
The "Wallfacers" are people who have unquestionable command over government resources within a very large budget, presented as necessary in the face of the aliens superior capabilities. They were picked by the UN and considered to still be on duty even if they refuse (it makes sense in the story, sort of).
sensitive media
OwnTracks allows you to keep track of your own location. You can build your private location diary or share it with your family and friends. OwnTracks is open-source and uses open protocols for communication so you can be sure your data stays secure and private.
Self-hostable, but not E2EE sadly.
What's wrong with that?
For one, sometimes people don't want to/can't use their hands (e.g. disability, cooking, driving riding bike, etc)
“Those directors can’t match our professional search capabilities. We’re not just looking at tens of thousands, or even hundreds of thousands or millions of people. The tools and techniques we use are more sophisticated than any director’s. The computers at the police analysis center, say, can find a match out of upwards of a hundred million faces in just half a day.
Liu Cixin, The Dark Forest
Why This New CD [optical disk] Could Change Storage https://www.youtube.com/watch?v=zKY1EzNqLDY