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The centralized location is ideal, but there’s also more than a little subliminal advertising going on.

Then there was also a lot of talk about brainwashing—think of The Manchurian Candidate—and a whole scandal about the idea of subliminal advertising messages in movies.

I read a book back then, Vance Packard’s “The Hidden Persuaders,” about subliminal advertising and packaging a product, including presidents.

Subliminal advertising — which includes words or images that can’t be consciously perceived — became famous in 1957, after a marketing researcher claimed to have radically boosted sales of popcorn and Coca-Cola in a movie theater by flashing the phrases “eat popcorn” and “drink Coca-Cola” on-screen for a single frame.

She observed that federal authorities decades ago clamped down on subliminal advertising on TV — the planting of messages that could make an impression on consumers even though they appeared too quickly to be consciously noted.