Same here. It picked great songs for me, some of which I haven't heard for literally decades.For me it fits perfectlyt. And must say that it was a great surprise.
Agreed. These personalized playlists (along with the large selection of user playlists) are Spotify's killer feature IMO. I'm currently trialing Apple Music as well. I was considering to switch because of the Siri integration, but it doesn't have anything remotely as good for discovering new music.Also a great feature for me, on Spotify, is "My daily playlist" as well "Discovey weekly". In this last one, some weeks are better than others of course.