Are Crosswalk and Elevator 'Close Door' Buttons a Total Sham?

Are Crosswalk and Elevator 'Close Door' Buttons a Total Sham?

John Carlton/Getty ImagesWhether you're pushing someone's buttons or pushing actual buttons, both of these actions have one thing in common: exerting control. Most crosswalk buttons predate the era of computerized signal patterns — they used to influence the signal, but removing the buttons would cost millions. So what about elevator \"close door\" buttons? This could make \"close door\" buttons ineffectual, at least when pushed immediately upon entering the elevator. So what about the elevators that only have placebo \"close door\" buttons?

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