Diet Coke, introduced in 1932, was the first extension of the "Coke" brand name. Many Coke
managers, deeming the "Mother Coke" brand sacred, had opposed the move. So had company
lawyers,who worried about copyright issues. Nonetheless, Diet Coke was a huge success. Praised as
the "most successful consumer product launch of the Eighties," it became within a few years not only
the most popular diet soft drink in the United States, but also the nation's third-largest-selling CSD