I uploaded a new video Escalator or Stairs.You have to see this.

   Escalator or Stairs Very cool
   Video attached 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...66% more people took the
   stairs...^