Afaik it flies in figher jets, experimental military UAVs and also civil satellites. Just not so common in consumer tech anymore.

Besides that it's fun to debug with on older systems, or even new ones if they have it. If not it can be plugged in from anything between 30 to 50 universal credit units from 1 to 4 port Firewire800 as PCIe 1x to 4x. It's fun to have in a homelab. You can even tunnel IP over it.