But social networks like MySpace and Facebook aren't e-commerce sites. That's the whole point. Zappos wants to sell shoes. They probably don't want you on the s

But social networks like MySpace and Facebook aren't e-commerce sites. That's the whole point. Zappos wants to sell shoes. They probably don't want you on the site for that long. They want you to quickly and efficiently find what you want and buy it. So a comparison to Facebook beating MySpace with a cleaner UI doesn't really make sense here.