As we head into Election Day, you might be wondering: What time will we know who has won? The problem is: We don’t know! It took four days for the 2020 presidential race to be called. While it seems unlikely that will happen this time—vote counters aren’t social distancing, and states have had time to adjust to the rise in voting by mail—a lot has also changed since 2016, too. Mail-in and early voting have both expanded, and attention on how exactly the votes are counted has risen considerably