The theory of this is almost twelve years old: http://www.useit.com/alertbox/9710a.html http://www.useit.com/alertbox/9710a.html And the data haven't changed

The theory of this is almost twelve years old: http://www.useit.com/alertbox/9710a.html http://www.useit.com/alertbox/9710a.html And the data haven't changed much: http://www.useit.com/alertbox/percent-text-read.html http://www.useit.com/alertbox/percent-text-read.html