If you shop online, you may come across this: A pop-up window that comes up after you complete your transaction offering a $20.00 rebate.
When you get through the process, with lots of fine print you don't read, you're asked to click "I Agree." And in the fine print you didn't read, in between "Jackdaws Stole My Big Sphinx Of Quartz" and "Beware Of The Leopard," it states that you are agreeing to membership in something that will never ever ever again give you anything of value, but will charge your credit card or bank account a particular monthly "Dues" for the rest of your life.
Just a heads-up, guys...