I never heard of the band “OK Go,” but I learned something very high tech about them today. They are known for their very creative music videos. They use scooters, cars, planes, treadmills to underscore their  unique choreography. 
The new video, called “Obsession, “ has a wall of 557 printers that are used as a backdrop. See the above video.

“This video has a lot of flashing colors. If you’re susceptible to seizures, be careful,