 You can send us a voice memo at hibt at id.wondery.com or call 1-800-433-1298 and leave a message there, and we will put all of this in the podcast description on your smartphone. Thanks again. We'll see you next week. This episode was produced by Sam Paulson with music composed by Ramtin Arablui. It was edited by John Isabella, and our audio engineer was Sina Lafredo. This hour of Planet Money and How I Built This was produced by Carrie Thompson.