How many of you use dual monitor setups

I used to have 2 monitors but I wanted another one so now I have 3 monitors. And the reason a lot of people use 2 monitor is that they can multitask while doing something else. For example, let say you're playing a game and want to look at a guide at the same time you're able to do that. Or let say you're playing a multiplayer game and want to watch a Livestream then you're also able to. For me personally, I use my left monitor for videos since it's a IPS and 21:9, then my middle monitor for stuff like games or watching shows and for my right monitor I mainly use it for stuff like discord.