5 Punctuation Marks That Look Nothing Like They Used To

Interesting article for language geeks.

Example: The question mark (?) was originally written sideways, combining a full-stop period (itself an innovation) with a tilde-like mark to indicate a rising tone of voice:


Lots more, written by "Shady Characters" typography maven Keith Houston: http://www.huffingtonpost.com/keith-houston-/post_8467_b_5989482.html