Internet retailing is a touch business and getting gets ever more competitive. Understanding your users, and how important your 'Thank you' page is can make a big difference to the user experience, and your bottom line.
What this shows is that retailers have little or no interest in the user experience at this crucial post sale moment.Compare the complete lack of design and customer thinking with the effort put into store design.
This link shows you 135 different thank you pages. There's a lot of room for improvement. Thank you, Snow Valley, for sharing.