Failed software commerce schemes?
3dshopping.com
- I'd really like a "store google" to find stuff in stores using an isle or shelf map. Hunting is a PITA time-waster. I even considered forming such a company once to scratch the itch, but other things pulled me away. -t
pets.com
colorcase.com [what did their business do?]
See also DotComedy for other goofy ideas that failed.