Introduction: Big data and passive data collection
Big data is on everyone's lips: in media, information technology referents and even from political institutions with the promise of "open government". Even now, as this article is being written, Google finds over 300 million results that include the term. However, it is still a fairly recent field of study. In 1985, MIT was a pioneer in this area creating its "MediaLab" to deal with big databases. When we compare that initiative to the current development, the growth is overwhelming: only 30 years later, all over the world there are countless agencies and...