At this writing, Marketing Mistakes has passed its thirtieth anniversary. Who would have thought? The fi rst edition, back in 1976, was 147 pages and included such long-forgotten cases as Korvette, W. T. Grant, Edsel, Corfam, Gilbert, and the Midi. In this eleventh edition, seven cases from the tenth edition have been dropped, and seven added, several of these being modifi ed from earlier editiā¦