Since November 2013, researchers at Stanford University have been asking: What’s in your metadata? Specifically, the study encouraged volunteers who also used Facebook to install an app called ...

Telephone metadata surveillance likely reveals a lot more information about people and ensnares more Americans than spy agencies and the Obama administration have let on, a new study finds. In fact, ...

Contrary to the claims of America’s top spies, the details of your phone calls and text messages—including when they took place and whom they involved—are no less revealing than the actual contents of ...

PBS is spearheading efforts to help stations reach more viewers by improving their metadata, an area in which the system is lagging behind the commercial media juggernauts. Metadata, which is data ...