My dad sits there (He's mod of a fairly large forum) and types a message. He'll click preview, then not scan, but read the message and then submit. He will shout at me "Does this sound right?" (No, it's not just graofftopicr!).
He's never made a single typo/error (I swear he hasn't lol), and gets really annoyed if he has - "beep" he says the other day whilst looking through an email he sent maybe 2 months ago, "I missed an l out on *woteva word*".