Interesting idea. How long is it around I wonder, it feels like it hasn't taken off yet. The bloggers there seem to perhaps come from a similar viewpoint, guardianista, I'd call it. If someone starts blogging what they might feel to be an unacceptable viewpoint, more torygraph what then, I wonder? Is it a curated timeline? Can they censor like Twitter does? What's the essential difference from a free speech point of view between this site and the existing social networks?