VimGolf is my new favorite little toy. As time wasters go, this is probably the best. I pontificated on Twitter about whether or not there was a tool that would let you reverse engineer the results from VimGolf to teach yourself new commands.
I couldn't find one, so in typical engineer fashion, I made one.
Introducing The Magic of Vim. Maybe it will grow into something more. In the meantime, it's a quick lookup tool for Vim keystrokes that someone else blindly tells you to type.
I'll eventually get around to putting it on Github so that other's can contribute.