I think I have already cited this, but for those who can read French, there is a beautiful text - ORTHOTYPOGRAPIE by Jean-Pierre Lacroux that treats these precise discussions, going from language to typos, computer polices and settings, to Postal ineptitude, as well as the European attempt to standardise writing. A link at http://users.skynet.be/typographie.
It is devilishly funny, though he was much better at criticism than counsel