Earlier quoted context omitted.
Beyond slowing down, a real challenge for many of us in this age of distraction is to keep one's attention focused on a single text for extended periods of time. I know I struggle with this myself despite being a life-long reader from the pre-Internet days who used to have no trouble staying focused through a full book.
To support your point: I read the first sentence of your comment, then scrolled further down to start reading other comments! hahah ;)
Though new paragraphs, or otherwise unexpected characteristics like long groupings of numbers such as 747-838-919-884, stick out and pique our interest.
I think a lot of good writing lies in playing with your internal "branch predictor" as it were.