Posterous does "roll deep" on HN, but I'm also really excited about this feature. The general blog semantic of visible/invisible is simple but underpowered: th

Posterous does "roll deep" on HN, but I'm also really excited about this feature. The general blog semantic of visible/invisible is simple but underpowered: there are a lot of things I want to show to one group of people that would just be noise to another group. This sort of feature lets me segregate my output.