Arthur T. Benjamin

There's not really any value.

Now, maybe it's a great party trick, and I know of a mathematician named Art Benjamin who is really good at this kind of magical mathematical displays, and it's so fun to watch.

Beyond that, not a super useful skill.

And so here's something that's been on my mind, because we've been talking about the skills that are important to have and the skills that, say, computers can do really well, like very quick and accurate multiplications.