Dark Patterns are designed to trick you (and they’re all over the Web)
"It happens to the best of us. After looking closely at a bank statement or cable bill, suddenly a small, unrecognizable charge appears. Fine print sleuthing soon provides the answer—somehow, you accidentally signed up for a service. Whether it was an unnoticed pre-marked checkbox or an offhanded verbal agreement at the end of a long phone call, now a charge arrives each month because naturally the promotion has ended. If the possibility of a refund exists, it’ll be found at the end of 45 minutes of holding music or a week’s worth of angry e-mails."