The DUSTBUSTER was unveiled at the August 1978 Hardware Show in Chicago. It was an enormous hit and was chosen as the “Best New Product in Show.”
The DUSTBUSTER went to market in 1979.
http://blogs.consumerreports.org/home/2009/06/dustbuster-black-and-decker-handheld-vacuum-30th-anniversary-best-vacuums-consumer-reports-reviews.html
http://www.blackanddecker.com/dustbuster/dustbuster_innovation/default.aspx
The smart tyrant writes his own story to ensure that it is favorable. The lazy will repeat lines from the book without fact checking.