Step 1 : Introduction to the question "In 1975, General Foods ran ads assuring parents that which candy wouldn’t cause your stomach to explode?"
The concept was patented by General Foods research chemist William A. Mitchell on December 12, 1956 (U.S. patent #3,012,893), but the candy was not offered to the public until 1975 by General Foods, which in 1983 withdrew it, citing its lack of success in the marketplace, and its relatively short shelf life.