Verto: Apple Music was the most popular music streaming site last month

According to analytical firm Verto, Apple Music is the most popular streaming music service in the U.S. among those 18 and older. This might come as a surprise to many. After all, at the beginning of this month, we told you that Spotify has 50 million paid subscribers compared to the 20 million who subscribe to Apple Music. But in this strange land of streaming music providers, all isn't what it seems to be, thanks to Apple's three-month free trial that it offers to potential subscribers.

Last month, Apple Music served 40.7 million unique monthly users. That topped by 20% the number of ...