If the coronavirus pandemic drove your life online, you've probably been there: Maybe you're using video chat to get work done or connect with far-flung friends. No matter how much bandwidth you have, the lag between one person speaking and the rest hearing the words means you keep talking over each other. It's the annoying delay when you hit play on your streaming service, and your movie or TV show takes forever to load. Or when you're about to reach a new level in a video game, but your c