If they don't see the system within three days, they will forget what they learned. Often implementing a new system is an allhandsondeck affair, bringing IT staff into close contact with endusers. Sometimes the atmosphere is politically charged, particularly in the parts of a business that may have backed an alternative to the new system. Whatever happens, a project's training requirements can't just be thrown together at the last minute. New lineofbusiness systems almost always require some form of instruction before being adopted.
People often skip over it but it is a big issue.
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