A new device named Notch is capable of detailing how much your body moves in a day from the angle of your knee to the jut of your hip. The new system has each sensor collecting accelerometer information with up to 10 sensors funneling it all back to the user’s phone at any given time. CEO and co-founder Stepan Boltalin calls it 'symbolic muscle memory' which is a method of quantifying the body’s motion in a way that most athletes only know by feel. Each sensor features a tiny vibration motor that enables haptic feedback to let a dancer know
