LinkedIn recently published how LIquid, its graph database, automates the indexing and real-time access of all connections to members, schools, skills, companies, positions, jobs, events, etc.

With the introduction of Open Graph and lifestreaming, Facebook users will be able to instantly share activities with their friends without being required to grant apps permission each time.

We isolated the parts of the day in which activity for everyone or just one gender changed by 15 minutes or more between the two years. The left set of graphs are the difference between 2011 and ...