An anonymous reader writes "Ruby on Rails seems to be a lightning rod for controversy. At the heart of most of the controversy lies amazing productivity claims. Rails isn't a better hammer; it's a different kind of tool. This article explores the compromises and design decisions that went into making Rails so productive within its niche."

Max Fomitchev submitted a little blog entry where he proposes that the ratio of unique IPs to actual unique users is 10:1. This flies in the face of the numbers you usually see attached to these sorts of things. I'm not sure about the logic he uses to come up with these numbers either.

Ant writes "Paul Boutin's Slate article explains the factors contributing to the success YouTube and MySpace: they are easy to use (usability), and they don't 'tell you what to do.'" From the article: "Both YouTube and MySpace fit the textbook definition of Web 2.0, that hypothetical next-generation Internet where people contribute as easily as they consume. Even self-described late adopters like New York editor Kurt Andersen recognize that that by letting everyone contribute, these sites have reached a critical mass where 'a real network effect has kicked in.'"