How iHeartRadio Got 340 Million Snapchat Impressions in 2 Days

Music festival goes viral on one app in huge social effort

The fifth annual iHeartRadio Music Festival drew tens of thousands of music fans Sept. 18 and 19 in Paradise, Nev., near Las Vegas, and featured a rich assortment of pop music, including Kanye West, Demi Lovato, Kenny Chesney and The Weeknd, among many others.