A draft email written by Colleen Aubrey, a senior vice president at Amazon Web Services AWS, was included as part of a calendar invite sent by an executive assistant to a number of Amazon workers late on Tuesday. In the email, Aubrey refers to a swathe of employees in the US, Canada and Costa Rica having been laid off as part of an effort to strengthen the company. The message, which has been seen by the BBC, was apparently shared by mistake, as it was quickly cancelled. An Amazon spokesman...