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vaporwareSoftware that is not yet in production, but the announced delivery date has long since passed. At times, software vendors are criticized for intentionally producing vaporware in order to keep customers from switching to competitive products that offer more features. However, programmers are notorious for being awful estimators of time. As a result, shipping dates often slip over and over again.
Sometimes, the gap between management and technical staff in software companies is just as large as in user organizations. Dates slip because the project is not managed properly, which can be caused by management's lack of understanding of the scope of the project as well as a lack of knowledge of the competence of the technical staff. In addition, as software projects progress from stage to stage, new functions and changes always seem to creep in.
Remember This Well
"As bad as programmers are at estimating the length of a project, they are equally as optimistic about their ability to meet the requirements and deadlines." See wares.