Samsung has officially beat Apple to launching a health tracking system. While Apple is set to launch HealthBook at next weeks developers conference, Samsung announced their new Simband yesterday. It runs open platform software, as Samsung will encourage other developers to create content for it. Samsungs chief strategy officer Young Sohn said this open platform is key: it means the best brains can work on it because health tracking is bigger than any one company can solve. The band can have different pieces attached and detached. Samsung is already creating pieces to track oxygen content in the the wearers blood.