shared document online

https://acornmetric.com/s/MGu2QTrtchITdyxR2NUrQ

You're working on a team project, and instead of emailing versions back and forth, you just share a link to a live document online. Everyone can edit at the same time, and changes appear instantly, so there's no confusion about which file is current. When someone adds a comment or revises a section, you see it as it happens, making collaboration feel more like a conversation than a chore.