Estimote has launched new stickers with accelerometer and temperature sensors that can be connected via bluetooh to mobile devices. They are the next step of the so called "beacons", the gadgets that provide connectivity to almost any object.
The utility of this new product depends on where it is placed. For example, they can be used to avoid thefts in shops if they are placed in consumer goods or they can be used to monitor a pet if they are placed in its collar.
If you want to learn more about this revolutionary system, read this article, where you can watch a video that illustrates how they work: