Leave it to a punctuation nerd like me to know that today is National Punctuation Day. In honor of this special occasion, please join me in once again celebrating the merits of the em dash. This classic punctuational post receives frequent Google hits from visitors desperate to learn about the proper usage of this misunderstood punctuation mark, and stands alone as the most commented upon entry on this site.

Now go forth, educate yourselves, and pledge to properly punctuate all of your written communication!