"We owe much to our mother tongue. It is through speech and writing that we understand each other and can attend to our needs and differences. If we don't respect and honor the rules of English, we lose our ability to communicate clearly and well. In short, we invite mayhem, misery, madness, and inevitably even more bad things that start with letters other than M. (Seriously—sort of. But it is true that misplaced commas have cost companies millions of dollars. Murderers have been identified based on idiosyncratic grammar errors. And even the oft-maligned semicolon has changed the outcome of court cases.)"
Read and learn more at NationalGrammarDay.com. I'm *so* tempted to buy the T-shirt!
Kernan the Grammarian also offers you a wonderful verb that you've likely been *doing* for some time, but you didn't know there was a word for it: prepone, brought to you by the wonderful Anu Garg and the folks at A Word a Day (A.W.A.D.).