This is why I'm sad that Google's Sidewiki failed. You can have free and robust comments moderated by the author or publisher, it works most of the time. But

This is why I'm sad that Google's Sidewiki failed. You can have free and robust comments moderated by the author or publisher, it works most of the time. But why not just carry our commenting services with us, independent of content? (Or is that basically what we're doing now?)