 In reality, that was not the case because a lot of the spread is by aerosol, which means it lingers up there and the six-foot rule won't protect you. So it should have been longer? Wider? Well, see, that's it. What the six-foot rule, you know, it's almost irrelevant. What you need to do is have good ventilation and mask wearing. So that's what the knowledge that we were dealing with something that was spread by aerosol