While printing documents, which font will save you more ink, or will be more economical (without affecting readability)?
A not so scientific study conducted by Matt Robinson and Tom Wrigglesworth (hand-draw some commonly-used typefaces them with ballpoint pens) ranks some of the most commonly used/available fonts on the basis of their ink economy (without affecting readability).
Results:
Garamond*__________Most Economical
Courier
Fresh Script
Times New Roman
Helvetica
Comic sans
Cooper Black__________Least Economical
[*] Most Harry Potter books are printed in 12pt Adobe Garamond.
--------