All over the US, many crosswalks will have a button on them. The purpose of this button is to alert the system that you wish to cross. I have long wondered whether these do in fact link to any system, or are merely there to make the control-happy residents of this country feel as if they have some measure of power over something when in fact they have none. Perhaps it is just the equivalent of the “barber pole” progress bar prevalent in so much software. The bar doesn’t do anything other than alert you that a process is happening (and often times is totally faked), but it does give the illusion that progress is being made and thus calms the user. Similarly, perhaps the button is false comfort, but comfort nonetheless since it supplies the illusion of input or control. What do you think? Does the button actually do anything?