rflickr is a Ruby implementation of the Flickr API. It includes a faithful reproduction of the published API as well as method encapsulation to provide more useful object mappings. rflickr features result caching to improve performance.
What do you think will happen if you bring the best minds in photography, photo-editing, web design and computer science together? Chances are that it could give rise to the next set of imaging applications that could much further than what Instagram has achieved. If it sounds interesting, you do not want to miss the Photo Hack Day 3 being organized by Aviary, the photo-editing API platform for web and mobile.
With use cases in chat, advertising and photo sharing, the Face.com API now estimates the age of the faces it finds in photos. The service released mood detection last July and has seen the number of developers registered on its platform double in less than a year. The age estimation is hardly perfect, but gives a guideline that joins a number of attributes the service can return from just a snapshot.