Meet Pickatto: a guitar pick with sensors built-in to show the pressure on it in real-time. The device records each pluck and breaks it down into upstrokes and downstrokes. You will be able to view the data on your smartphone. The companion app helps you monitor your progress.
Pickatto lets you link with friends to track their results. It measures the pressure exerted to to keep you on the right track. The app will be available for iOS and Android devices.