there's this wave of klepto manian of women in praise from the bon marche and no one can figure it out. these women could pay for the got but to some reason the store environment is causing them to steal and so this provokes this huge moral panic and discussion about it, and it becomes known as the department store disease. and eventually the whole theory of mind develops out studying this women which is to say it appears hat newphone figuration of modern life, new commercial environments is actually messing with people's brains, and at the beginning of the line of talking about the brain when we think but how video games affect the brain or whatever, so i had stories like that, that i have been accumulating for the last 20 years, and once i started to research i could put it together. >> host: steven johnson, you call this our endless quest for delight. >> guest: yes. if you think about what you learned when you were in school about the forces that drive history. right?u you would think, okay, there's the quest for power, there's tribalism or nationalism, religious beliefs, there's su