There was a recent Tom Scott video (https://www.youtube.com/watch?v=ZmWREtcDVBE https://www.youtube.com/watch?v=ZmWREtcDVBE) where he was using a GPS and Tom Hu

There was a recent Tom Scott video (https://www.youtube.com/watch?v=ZmWREtcDVBE https://www.youtube.com/watch?v=ZmWREtcDVBE) where he was using a GPS and Tom Hutley (a London cabbie) only relied on his London knowledge to get around, travelling the same distance after reaching certain landmarks. It was interesting to watch.