At our house, Thursday is video-game day. Each kid gets 35 minutes. Invariably, they're unable to reach a consensus on the order in which to play, so they come running to me, seeking decision.
Since I'm no great fan of decision in general, I wrote a little Pulumi program to do the deciding for us. Every Thursday at a little past nine, a scheduled CloudWatch task runs, sorts the list of kids randomly, and sends me a text message containing the result, using only AWS (specifically Amazon SNS). The kids call it "the random program", hence the name: