In the case of the $2.13 million comma, misplaced punctuation in a contract will allow one of the parties to withdraw earlier than intended, as the contract-cancelation clause was inadvertently attached to the entire contract, and not just a restricted time period [via Language Log]. It’s a lovely example for use in any course where the instructor might want to justify grammar “counting”. I think it also illustrates the value of practicing the skill of proofreading.
Glimpses of the websurfing habits of a computer science professor, obsessive crafter, occasional gamer, and all around geek