The last thing Jack White wants to see, when he's standing onstage, is a sea of fans more involved with their phones than the music. So after pleading with fans not to use smartphones at earlier shows, he's going hardcore for his sold-out spring tour – hiring Yondr, a tech company, to force attendees to lock their phones in pouches. "The way they react tells me what to do next," White tells
This article originally appeared on www.rollingstone.com: Artists to Fans: Put Your Phone Away!