Page grasped that human experience could be Google’s virgin wood, that it could be extracted at no extra cost online and at very low cost out in the real world, where “sensors are really cheap.” Once extracted, it is rendered as behavioral data, producing a surplus that forms the basis of a wholly new class of market exchange. Surveillance capitalism originates in this act of digital dispossession, brought to life by the impatience of over-accumulated investment and two entrepreneurs who wanted to join the system.

Shoshana Zuboff, The Age of Surveillance Cap…, loc. 315