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A comment on Ask HN: What is a shopping cart and why wouldn't I just write my own?. Parent comment

Re:Ask HN: What is a shopping cart and why wouldn't I just w... by pg on Friday October 29, 2010 @03:31PM (#1848665)
Robert Morris wrote Viaweb's shopping cart. He is a smart programmer, and he found it nontrivial. Years later he was still encountering bugs from weird combinations of user actions.
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Re:Ask HN: What is a shopping cart and why wouldn't I just w... by staunch on Saturday October 30, 2010 @04:12AM (#1850425)
Dell finds it nontrivial as well. I just used their shopping cart. At one point it wiped out the entire contents of my cart when I added an item from a different section.
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