The great thing here is that the browser vendors don't even have to do it. It could be handled entirely by browser extension developers for now, and once it cat

The great thing here is that the browser vendors don't even have to do it. It could be handled entirely by browser extension developers for now, and once it catches on enough to make some waves, the browser vendors will want to pick it up as a "cool new feature". Once one vendor does it, others will fall in line so as not to appear behind.