Who Can You Trust? How Technology Brought Us Together and Why It Might Drive Us Apart,
Rachel Botsman, Penguin, 2017 | First edition: November 2017.
Hundreds of years ago we only trusted people we knew in the village. A hundred years ago brands (think Heintz 57) were invented, and we trusted them. Now we trust the AirBnB host based on her reputation, presumably based on accumulated user reviews (why are they always 4.1 to 4.9?).