Regardless of who owns how much of the pie, the growing popularity of Internet streaming is changing how consumers are listening to music. “Wireless speakers, multiroom audio systems, and soundbars constitute a growing home audio segment, which is offsetting declining sales in home theater and traditional audio components,” said Parks analyst Brad Russell. “Together, these three devices will generate $26 billion annually in global sales in 2020.”

From the article "Two Out of Three Households Stream Music From the Internet" by Janko Roettgers.