In the old days you sent each other a letter every now and then, today we are online all day. And not only are we continuously connected to friends, the same goes for companies, institutions and government. Together we produce an ocean of data. Self learning computers use this data to make more and more decisions for us. Big data and algorithmes help us a lot, however do the threaten us as well? They might end up controling our lives. Or is this already the case? How free is our choice for the loan of a house? For a job? Or for a hospital? How about our privacy and what if computers start out-smarting us?