Back during the first bubble, perhaps the biggest example of dot com excess was boo.com -- a dot com company that wasted hundreds of millions of dollars in a very short period of time, and all they got out of it was a lot of hype for some glamorous founders and a fashion e-commerce site that was nearly unusable. That's why we were a bit surprised in early 2006 to hear that the site could be making a comeback. It seemed like another bit of evidence that the internet space was re-entering a...