The XING Ruby SDK by XING is a network layer infrastructure that adds business social capabilities to existing applications. Developers need to create a XING account and provide a consumer_key and consumer_secret. The current version is 0.7.1.
As the use of APIs in business continues to grow, MuleSoft founder Ross Mason encourages organisations to shift away from traditional thinking on IT. He encourages a new, two-speed operational model, as used by GE, to deliver flexible digital services while maintaining traditional business units.
Gravatar is an attempt to allow users to have one globally recognized avatar. The service, around for several years, allows a user can set an image as an avatar and have it recognized on a variety of sites. Later, users can change an avatar once and have it change on every Gravatar-enabled site that they use. Though the service is somewhat well known, what is not is its robust API for developers to integrate the Gravatar service into their own sites.