In the workplace, good punctuation is much more than a matter of correctness. It's a matter of efficiency. Professionals who aren't sure how to punctuate take more time than necessary to write, as they fret about the many inconsistent and contradictory rules they've picked up over the years. Good punctuation is also a matter of courtesy: In workplace writing, a sentence should yield its meaning instantly, but when punctuation is haphazard, readers need to work to understand - or guess at - the writer's intent. Weak punctuation results in time-wasting confusion, questions about...