I dislike the page metaphor, because, at least in PDFs and most word processors, it means that the page is a fixed width and the text won't reflow to fit my win

I dislike the page metaphor, because, at least in PDFs and most word processors, it means that the page is a fixed width and the text won't reflow to fit my window. If I zoom in, I have to scroll left and right as I read each line! Very annoying.