Bought a voucher a week ago but still No news

Groupon - what the heck is this nonsense. Can i please have a refund?<br> I bought 2 vouchers last week but am still waiting for some form of response.<br> <br> You took my money and i haven't received my vouchers or any news about the status of my purchase.<br> <br> Please give me back my money or give me the vouchers!! Don't become T.H.I.E.V.E.S please!!! Pay back the money or give me what i bought!!!