The charge
They charge , without authorization, your card for stuff that you didn't ask for or were not aware of. If you took the intelligence test ( and scored good enough :) ) , you will learn very quickly that either your credit card or your PayPal account carry an unauthorized payment. They did respond, however, quickly and reimbursed. But this model of business relies, most likely, on people who don't check their accounts regularly.
By John D.