I think the mass consensus is to pretend like it doesn't exist while actively engaging in it making it ever more subtle and meta until eventually noone knows who's trying to signal what anymore. Good times.
The standard signals are a shirt and tie, jacket and pocket square with other accessories.
Now we're on a different playing field with other less overt details and our vehicles have become our outerwear.
We've both got each other thinking a little. Fist bump to that!