Regarding "smartphones as slot machines", the piece you are remembering is this one by Tristan Harris, probably: https://medium.com/swlh/how-technology-hijacks

Regarding "smartphones as slot machines", the piece you are remembering is this one by Tristan Harris, probably: https://medium.com/swlh/how-technology-hijacks-peoples-minds-from-a-magician-and-google-s-design-ethicist-56d62ef5edf3 https://medium.com/swlh/how-technology-hijacks-peoples-minds... "How Technology Hijacks Minds"