Click on any product in Explore.Zappos.com and you will see products arrange themselves by their similarity to what you select. You can also filter by color, price range, percent off or search by brand or keyword.
Screenshots alone won't give you the full picture. Check out Explore.Zappos.com in action:
This is a very nice feature in terms of innovation and wow-factor. It's not as advanced as Like.com's search by detail, pattern and shape, but it's certainly a fun way to discover, and it will be interesting to see what Zappos customers have to say about it.
There's already some lively chatter happening on Twitter.