For obvious reasons this has to be self hosted and managed. I'm not interested in creating surveillance software or technology.
It sounds extreme but whenever I have seen peoples obsidian set ups with heaps of manual and bidirectional linking I always thought that time is the one thing we should look at. If I look up some concept on wikipedia today, there is a higher chance of me looking up related concepts or working on something related to that around this time also.
I wish I could find it again.
You've gotta be referring to escalators here. Never seen a moving walkway in a big-box store, or a subway station for that matter.