I recieved a call saying Ihave won a mastercard with 100.dollars on it .I recieve the card has no money on it. I call them they say, but A 100.Dollars on the card will give you 5, 000 points so you can use it toward nice gifts. so I put A$100. on it 8/28/10 went to the gas station the very next day.put $15.88 in my ford focuse.then went to walmart got a couple of items handed the cashier the card, she said there is no money on the card, I am so upset. I just cannot believe I got scamed like that, I have a reciept where I put A 100. on the card have any ideas how to help me. please my email is [email protected], please give me some answers. thank you for listening.