Tapping into Your Social Network Data• http://www.facebook.com/developers
Getting an OAuth2.0 access token
• http://developers.facebook.com/docs/authentication/• Applications can only access some basic data from user proﬁles - such as name, gender, and proﬁle picture - and explicit permissions must be granted to access additional data.
Facebooks Query APIs• Facebook Query Language• Open Graph Potocol • Make any web page an object in a rich social graph by injection some RDFa metadata into the page, and the Graph API is a simple and instuitive mechanism for querying the graph. • RDFa - http://www.w3.org/TR/xhtml-rdfa-primer/