Silicon Valley siphons our data like oil. But the deepest drilling has just begun

Personal data is to the tech world what oil is to the fossil fuel industry. That’s why companies like Amazon and Facebook plan to dig deeper than we ever imagined
Read more: https://www.theguardian.com/world/2017/aug/23/silicon-valley-big-data-extraction-amazon-whole-foods-facebook?source=Snapzu