That's odd. The error was not present in the original publication of this article in ACM's Queue magazine: https://queue.acm.org/detail.cfm?id=3487022 https://q

That's odd. The error was not present in the original publication of this article in ACM's Queue magazine: https://queue.acm.org/detail.cfm?id=3487022 https://queue.acm.org/detail.cfm?id=3487022