Google’s beta release of Cloud Vision API enables developers to understand the content of an image by encapsulating powerful machine learning models in an easy to use REST API.
Sources: http://www.fiercecio.com/story/google-continues-push-ai-envelope-release-new-toolset-lets-robots-see/2016-02-18; http://googlecloudplatform.blogspot.ie/2016/02/Google-Cloud-Vision-API-enters-beta-open-to-all-to-try.html