At Optilab I presented the use of Social APIs, focusing on using Facebook API and Spring Social libraries. At first I present some basics and then hands-on build a simple application with Facebook login, some API calls to Facebook and Like button integration.
The source code is also available at: https://github.com/szitnik/optibuk.si
Video (if you do not see it, go to http://optilab.viidea.net/zitnik_social_apis_spring_social/):