I purchased Rosetta Stone Hindi Version 3 sets 1, 2, 3 from a discount retailer online. I buy stuff online all the time, and everytime the retailer emails me confirmation of my order and a recipt with shipping information. After several days of not waiting, I went back to the company's website for the contact information. Well, the company does not really list their business name, and they do not provide a customer service line. So, I sent them an email and left feedback on their website requesting a receipt or confirmation of some sort... read full review »