If you are browsing the site and someone replies to one of your posts, post something in your profile or send you a private message you'll get a real time notice in the bottom left corner of your browser while on the site.
So if you see this popup you'll know what it is for and what it does. It's one of the changes towards making the site more interactive.
So if you see this popup you'll know what it is for and what it does. It's one of the changes towards making the site more interactive.