I was playing tic-tac-toe with a friend the other day. Even saying that sounds weird. Tic-tac-toe is an objectively bad game that is solved. Given perfect play, both players will tie without fail.

We know you’re out there spending a lot more time with your loved ones, and appreciate that you may be running out of ways to keep everyone entertained. [Mukesh] dropped us a tip because he has the ...