A technique a day.

One technique each day: two buffers and the name of the move — turn the left into the right using it. Then the lesson, on why it matters and when it quietly doesn't. Today's is the one that's playable; every earlier one stays below to look back on.

no drill today — check back soon.

There is no par here and no leaderboard — a drill names one technique and asks you to use it. If it's fewest-keystrokes you want, that's golf, and it lives at vimgolf.com. Their latest challenges are on elsewhere.