36. Employees can unintentionally cause havoc with apps and websites. Amazon Web Services, with more than one million users, had an hour-long cloud-computing service outage on Tuesday, February 28, 2017, which slowed apps and websites for many U.S. companies. What was the cause of the outage and approximate costs to companies in the S&P 500 index due to this series of failures? Use the Internet to find answers.