"By the early 1960s, however, Philip Morris scientists had discovered that ammonia could also be used to increase the free nicotine in cigarette smoke, providing a more powerful nicotine kick than the milder low-pH tobaccos traditionally used in American-blend cigarettes."

They referred to it as 'crack nicotine' internally. It was an entire, giant scandal. They made a movie about it.

This product that kills the users of it with remarkably high rates and has effectively no positive use is fundamentally different from light and sound.