After successive heat waves across the country this summer, people finally found an unexpected source of relief: the neck fan. Consumer-product geniuses made the latest model look like Beats headphones, and suddenly they were on many hot, hot necks. Why did the neck fan take off? Does it actually cool you down or just make you feel cooler? We talk with Saahil Desai, who notices new and interesting things at the intersection of technology and consumer culture. Desai brings his own beloved neck fan to the studio and answers the question: Of all wearable technology, why did this one manage to break through social norms? And what does this mean for the future of an industry that has promised a lot of innovation but struggled to introduce genuinely new wearables into people’s daily lives? Get more from your favorite Atlantic voices when you subscribe. You’ll enjoy unlimited access to Pulitzer-winning journalism, from clear-eyed analysis and insight on breaking news to fascinating explorations of our world. Subscribe today at TheAtlantic.com/podsub. Learn more about your ad choices. Visit megaphone.fm/adchoices