There's so many dirty, unethical business practices out there that you don't know about.

3. HIDING THE CANCEL SUBSCRIPTION OPTION!rnrnI spent an hour looking for it on one site once. Sent angry emails and forum posts, etc. Finally found it. The button only appeared on a drop down when you hovered over upgrade your account, which might be the last place you'd look if you were dissatisfied with the service and wanted to cancel your subscription. This went beyond poor web design; it was a deliberate attempt to make canceling hard to find.