I chose from the general purpose instances because I don’t know enough about or align myself closely with the more niche instances. The stability of the instances and number of instances it blocked/was blocked by was also a factor, since I wanted a neutral experience - here’s where I found that data.
After lemm.ee shut down, I wanted to try PieFed, and the name piefed.world made me imagine a world fed with pie. Thought that was cute.
This is what I gathered on the subject, feel free to correct if anything is wrong:
The WiFi tracking works by scanning for nearby WiFi networks, identifying which routers are nearby and their signal strengths, matching those against their database of known WiFi access points, and using that data to estimate your location.
For now the feature will be off by default, first has to be enabled by your company, and then the user has to opt in for it to be used.
For those who are required to use Microsoft products, it can by bypassed by using a wired Ethernet connection and not using Teams on any devices using a wireless connection.