Pet Peeves: Page Numbers

Where have page numbers gone?! They are so useful--printing snafus, for commenting.  They provide a great sense of accomplishment:  3 pages written! 10 pages! 100 pages!

Web pages sort of seem like scrolls--did scrolls have/need page numbers? Does scrolling, clicking, and linking through the internet make us less aware of the need for page numbers on paper copies of texts? Does it change our sense of how long a piece of writing is?