Stevens treats the "empty" space around letters as a design element in itself. Proper use of negative space prevents a layout from feeling cluttered and ensures legibility from a distance.
You might wonder, "Why read a 1980s layout book for my web design or PowerPoint deck?" Because human neurology hasn't changed. mastering layout mike stevens pdf
Modern digital billboards require the exact same long-distance readability optimization that Stevens perfected for roadside wooden signs. Finding a PDF Copy Responsibly Stevens treats the "empty" space around letters as