From a first look at its private beta, Evan Williams and Biz Stone’s new publishing platform Medium has a Pinterest-like feel, focusing on “collections” of themed content with an emphasis on images. The team who created Blogger and Twitter say they want to deliver publishing and collaborating without β€œthe burden of becoming a blogger.” Register here with a Twitter account to read posts from invite-only users and provide feedback on the platform. [Source: GigaOM]