Any given book of his library can thus be called up and consulted with far greater facility than if it were taken from a shelf. As he has several projection positions, he can leave one item in position while he calls up another.
Whilst I do think that technology often ruins the "analog experience" there are so many benefits to advancing the way that we do things to the point that saying "they don't make things like they used to" feels like naïve nostalgia.