Online retail spending topped the $100 billion mark last year. According to comScore, the top ten retail web sites were:

  1. Amazon
  2. Dell
  3. Yahoo
  4. Wal-Mart
  5. TicketMaster
  6. JCPenny
  7. Apple
  8. BestBuy
  9. Victoria's Secret
  10. Circuit City

above data from

It is interesting to see shopping visualization services being launched to make this rapidly growing market a better experience. mentions two of these BrowseGoods and BlackDogAir. I love the interfaces of both these sites. BrowseGoods provides a browse experience akin to actually shopping at a store and BlackDogAir creates trees of related products.