Have you even been working on a page and then got distracted by a chat? Yeah, us too. That's why we made it really easy to go back to what you were doing after you answer that message.
You'll need to install the desktop app for this trick - desktop app (beta).
Step 1. Go to the chat message/notification
Step 2. Click the back button in the upper left hand corner
Step 3. Get back to work ;)
See the tip in motion: