I do this all the time. I use a tool that has 2 modes: turn-based and multicursor, the turn-based mode is signnificantly more annoying. Most of the time you jus

I do this all the time. I use a tool that has 2 modes: turn-based and multicursor, the turn-based mode is signnificantly more annoying. Most of the time you just use it to highlight but it's also good to be able to help the other person with typos and comments, while they are focusing on the logic.