Liz Dunn, a psychology professor at the University of British Columbia, discusses the surprising costs of smartphone distraction on happiness. She reveals how even having a phone nearby can lead to inattentional blindness, causing people to miss out on joyful moments. The conversation delves into how smartphones can dampen social experiences, ironically disconnecting us while we seek connection. Practical strategies for mindfulness and attentional hygiene are shared, emphasizing the need to rediscover meaningful interactions in a tech-saturated world.