He refers to the designer/philosopher Tristan Harris, an ex-Google person who nowadays promotes the Time Well Spent movement. He wants to make people aware of the design of tools such as smartphones (or headsets I guess) and he asks designers some inconvenient questions: in whose interest do they work? Will they stimulate people to connect to the physical world around them, or will they serve the interests of the shareholders of Facebook, Netflix and other similar companies who have a vested interest in being as sticky as possible?