why all the "designers" who talk about awesome holograms continue to draw their imagined devices like they can display something outside of the boundaries of th

why all the "designers" who talk about awesome holograms continue to draw their imagined devices like they can display something outside of the boundaries of their screens? also, interestingengineering.com is a cancer, people who write/edit their articles have understanding of the world on level of three years old children.