[Oh, he's so charming! Ochako giggles at the applause - both from himself and from his microphone...staff...cane...thingy - then places the beam down and touches her fingertips together. There's another faint glow of pinkish purple from each pad of her fingers and the beam creaks ominously as its gravity, and thus its weight, is returned, making wherever they are shift just slightly with the accommodation to this rapid loss and regain of weight. It's not greatly noticeable, but for someone so in tune with those sort of shifts in equilibrium and balance, Ochako hums and moves her body from one foot to the other as it happens.]

Well, not everyone, but most do... Eighty percent, if I remember the number right, and those without are growing more and more rare. A-As for when it started, I'm a little surprised you don't know? I-It's a well known part of history and everythi--