Once addictive and effective, TikTok is struggling with commercialization, a shifting relationship with the music industry and more.

The New York Times

The Popcast is hosted by Jon Caramanica, a pop music critic for The New York Times. It covers the latest in popular music criticism, trends and news. Listen to this podcast in New York Times Audio, our new iOS app for news subscribers. Download now at nytimes.com/audioapp

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