Fig. 4.15: An automated ‘coming home’ smart rule in the AT&T Digital Life
tablet app
Tags or sensors embedded in objects allow them to be trackable and
identifiable. The FedEx SenseAware service (figure 4.16) embeds a multi-
sensor device inside sensitive shipments (such as medical supplies), allowing
the sender to track the location of a parcel and the temperature, light levels,
humidity and atmospheric pressure to which it has been exposed. If any of
these fall outside a set range, a replacement parcel can be dispatched.