Facebook is starting to approve additional "actions," verbs that let users go beyond Like. Developers can use Facebook timeline actions via the Facebook Graph API, but only if approved by the social network. Social shopping platform AddShoppers received approval for "want" and "own" and even has some Like-like buttons for those actions.
Berlin start-up Readmill, is providing a platform for eBooks that connects readers regardless of what platform they are using. Readmill's core offering is a free bookreader that competes head to head with Amazon’s and Apple’s offerings. Unlike other eReaders, Readmill is based on a device-neutral, API-driven platform that integrates social recommendations, annotations and geolocation services.
When Twitter announced it's new Twitter API changes it left many the disgruntled third party app developer who had built tools and services on top of the API. Where many have been forced to simply work around these changes regardless of the damage caused, others will be forced to abruptly shut down. Unfortunately, the latter is true for Twimbow.