The blinking twelve problem is a term used in software design. It usually refers to features in software or computer systems which are rendered unusable to most users by the complexity of the interface to them.
The usage emanates from the 'clock' feature provided on many VCR's manufactured in the late 1980s or early 1990s. The clock could be set by using a combination of buttons provided on the VCR in a specific sequence that was found complicated by most users. As a result, VCR users were known to seldom set the time on the VCR clock. This resulted in the default time of '12:00' blinking on the VCR display at all times of the day, which is the origin of this term.
In software, 'the blinking twelve problem' thus refers to any situation in which features or functions of a program go unused for reasons that the designers never anticipated, largely because developers were unable to anticipate the level of understanding the users would have of the technology. The term may also refer to the challenge faced by developers of addressing the real causes of users' difficulties, as well as the challenge of providing helpful documentation or technical support without knowing beforehand how well the user understands their own problem.
The terms is usually used mostly by geeks, often in discussion forums. The term appears in the 1999 essay In the Beginning... Was the Command Line by Neal Stephenson.
Video Blinking twelve problem
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Source of article : Wikipedia
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