Business TechJay Z Spent $56 Million to Acquire Spotify Rival Tidal Tidal is now part of Jay Z's family, which means the service could be on its way to become a true competitor to Spotify. It's already a great service; it just requires the right support.by Vamien McKalin
WATCH: Runner Spends Year Using Exercise Tracker to Create Elaborate Stick Figure Art on City Streets
