[fullstackwife]

It depends on the app, but in some cases you should also include content identifier to the usual X,Y coordinates, as from the user perspective it is more important to see the cursor hovering on top of something instead of being "very close". The meaning is different in such case.

[stevenfabre]

Exactly! With Liveblocks, you can also store anything presence related. You can for instance store a selectedId and use that on the other side to highlight the selected element.