Technology Mob: "If you've recently updated your Spotify and you notice that you can't sync local files, they merely stay grayed-out on your iPhone, then Technology Mob may have a fix for you."
Want to see how embarrassing your listening habits are? Spotify has you covered.
It's easy to keep the music you love to yourself.
With Spotify's new 10,000 song limit, you'll always have something to listen to.
