I once did a technical visit there and the IT Director/VP started trolling me on kernel internals. It took me a bit to figure out he was vetting what someone in

I once did a technical visit there and the IT Director/VP started trolling me on kernel internals. It took me a bit to figure out he was vetting what someone in L3 had told him. Bloomberg has driven more kernel tunings on traditional unix flavors than any org I'm aware of. Smartest people in the room.