Very notable that while your classics like 'lol' and 'lmao' have hung around there's no longer any real use case for 'brb' or 'g2g'. Where are you going to go. We're all here. Everywhere is here

Posters of a certain age will remember 'brb bio' for when you had to step away from the internet to use the bathroom. Imagine that now. Is there any more online place than the bathroom