Mark Boulton | Information design
So you skipped that font class, or typesetting course because you'd never need it in the "real world", right? Wrong! Check out Mr. Boulton's typography blog for a crash course in typsetting.
The written word is an extremely powerful tool given zero thought in most ISD programs. As with most of eLearning, the technology tail continues to wag the ISD dog for most developers. Just use the default Times New Roman, or arial and be done with it.
You choose your words wisely in your eLearning, and so you should typeset them wisely as well.