Jacopo Prisco , CNN Written byHave you ever pressed the pedestrian button at a crosswalk and wondered if it really worked? The world is full of buttons that don't actually do anything. They're sometimes called "placebo buttons" -- buttons that are mechanically sound and can be pushed, but provide no functionality. Credit: Newscast/UIG/Getty ImagesOther cities, such as Boston Dallas and Seattle , have gone through a similar process, leaving them with their own placebo pedestrian buttons. "I think it's a shame if people call it a 'placebo button' and, by that name, think that people are behaving foolishly.

Source: CNN September 03, 2018 04:07 UTC