I've seen at least one, but it's proprietary and internal to my bigco. I'm willing to bet there's quite a few more at other bigcos. So lucky for you if you can

I've seen at least one, but it's proprietary and internal to my bigco. I'm willing to bet there's quite a few more at other bigcos. So lucky for you if you can avoid them, but I'm pretty sure there's many of us who don't get that choice.