By and large people care less and less about the placement of comas or the use of an em-dash—but they care very much about sentence flow, engaging word choice, and well thought out type layout.

Old school editors could just follow rules—today it’s an art and editing is just one of the brushes a content producer has to paint with.

1. The belief that there is no such thing as truth. (There IS a true way to spell a word.)
2. The preoccupation with speed.
3. Laziness.

Anything worth doing is worth doing well. Slow down, use the spell-check application, and represent your ideas with clarity and quality.