Since I’m a member of Northwest Airline’s WorldPerks program after flying with them earlier this year, I get fairly routine marketing e-mails where they try to get me to spend the miles I’ve saved so far.  Today’s e-mail had the following gem (emphasis added):

 Use as few as 50,000 of your 5,052 miles towards the air portion of your WorldVacations package to Asia.

Seesh. A simple if(numMiles < 50,000) { do_not_send_email(); } would have sufficed…