Poor electrical design. Every wall should have an outlet, as you never know where you will place things in the future. Some electricians fail to grasp this. I know of a school library that shall remain nameless that was constructed with a computer station area around a support in the middle of the reading area. There were plugs for the internet, but no electrical outlets. They had to run an extension cord across the floor. It was the same for the check-in desk. There was no power for the computer.