Information ranging from state secrets to your medical history is stored in large databases. ‘Big Data’ is a big deal. But the implications of the collection, storage and use of massive amouts of data about us all has yet to be uncovered.
A few months ago, the find of a hidden ringfort in Denmark created great excitement among archaeologists all over the world. Now archaeologists have finally concluded that it is, in fact, a Viking fortress. But was it Harald Bluetooth's?