Fun can change behavior!
See what clever engineering can do!!
Watch what a group of engineers did, using fun to get people to use a long staircase with a moving escalator right next to it...
At first no one took the stairs, almost 97% of the people took the escalator.
Notice how scientists changed how people reacted to climbing a long Stair case as first choice.
After changes were made, 66% more people took the stairs.
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