Browserbase engineer @kylejeong on why "computer use" suddenly got so good: "Before, it was all coordinate click-based. You'd give the model a screenshot, you give it a task, and it would return click, and then exactly the coordinates of where that button is on a page. It was good in demos. But it was really slow, and it was kind of inaccurate." "One of them that's common is 1288 by 711, which is kind of a weird screen size, but if you give it a computer that's not the exact size, it just…