車両内の Bluetooth 電波強度から混雑度を推定、そういうのもあるのかhttps://twitter.com/Amsterdamikitai/status/1498569902332203008
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.