Twitter founders launch two new websites, Medium and Branch | Technology | guardian.co.uk

Twitter founders launch two new websites, Medium and Branch | Technology | guardian.co.uk: They inspired a boom in self-publishing with Blogger, then turned the world to 140 characters with Twitter. Now Ev Williams and Biz Stone have launched two new websites – Medium and Branch – in what they hope will prompt an "evolutionary leap" in online sharing.

Williams and Stone are still directors of