Ponder this: our human reality now involves a Bluetooth toaster. For $100, you too can receive push notifications when your slice of bread reaches the desired level of toasted-ness. Yes, this is almost certainly the future Steve Jobs envisioned when introducing the iPhone as a “revolutionary and magical product”.

Experts say about two million U.S. workers are exposed to hand-arm vibration on the job and as many as half of them will develop Hand-Arm Vibration Syndrome (HAVS). Here’s a look at what causes HAVS, how to recognize symptoms and how to mitigate the damage.