Imagine you work in a small IT company that has just finished an e-shop for an important client. The e-shop was originally schedule for release on Monday, but unfortunately was delayed (a classic situation). Instead, the launch was moved back to the end of the week and an advertising campaign was prepare to start for the following Monday. It’s Friday afternoon, the e-shop is completed and put into full operation, according to plan. One final test is run of the ordering process and new features without any problems occurring. Everyone leaves for the weekend, except for one colleague, who takes…