All cyclists know that the only way to prevent a thief from disappearing down the road with your valuable bike is to secure it with a chain and lock. It's not fool proof but it does serve a purpose. Now imagine if anyone starts tampering with the chain, you receive a notification via your phone. In that case, you can react faster to the theft as with a chain, it is only a deterrent but not a mechanism to detect.
Read more about the Powatag on LinkedIn here.