We are all going to have to get used to the word metadata. Explaining what it means in simple terms is quite tricky, for it is a genuinely abstract concept. (And let me warn the purists up front that ...

One of the most disingenuous arguments in the aftermath of the NSA spying revelations is that the American people shouldn't be concerned about the government hoovering up its sensitive information ...

In January 2014, documents provided by Edward Snowden showed that a Canadian spy agency used a unique identifier to follow thousands of Canadians as they moved about the country. The tracking all ...

Metadata isn't like the regular data we know – but the key differences between the two can be hard to figure out. To put it simply, though, metadata is often referred to as data that sorts and ...

Before the advent of digital photography, adding information about photographs was easy: You simply wrote in the margins or on the back of a snapshot. Turn it over and there was the information: ...