Typo: s/FOUR/FOR/
Also a great option, but closed source
I used this one or a similar one a while back. Pure magic. It started downloading a ton of stuff, and half an hour later I was greated by a (slow) macOS, good enough to do some tests of my webapp on Safari.
There will never be 'more momentum' if you don't build it. Just kick it off and host this person, others will follow.
Well, in a way, they do provide accurate geolocalisation for indoor environments based on wifi networks. And it is right that having internet/bluethooth access also (more or less) reveals your location; but that doesn't make it ethical.
Well, best thing to counter that is to be the change you want to see. Start the community for the niche you miss the most/know the most about. Post something daily for two weeks + do a call for mods, and before you know you'll have at least some activity. I (helped) to bootstrap !openstreetmap@lemmy.ml this way, and the community has about 1 top level post per day on average now. Not a lot, but a good start.
Look for a local hackerspace, they might have the right connections. Most of them have regular (often weekly) 'social nights' where you can hang out.
Https://Mapcomplete.osm.be/hackerspaces has an (incomplete) listing
Google is supposed not to copy OSM...
Someone did in the mean time: https://github.com/pqoqubbw/icons/issues/4