What Worked?

Now that the spring semester is over for most colleges, and the immediate scramble to switch to a remote live format is behind us, what worked?

To narrow the question a bit, for folks who taught (or took) courses that had to switch abruptly, what worked better in the remote format than you would have previously guessed? Or, to take it farther, did anything work so well in that format that you’d like to carry it forward as a planned feature in future classes?

If we had to go through all this, we might as well learn from it …