This is not your ordinary desktop distribution - we all know that area of Linux has been done to death. This particular issue of our favorite operating system was designed to serve a very specific purpose.
Embedded systems are the circuit boards and controllers that run the universe.
Among the list of items in your home that benefit are thermostats, televisions, DVD players, refrigerators, microwave ovens, some regular ovens, telephone, and alarm clocks. To a certain point, all of these devices have some sort of computer control. This seems to be a hardware solution that well, acquires data. I guess it's up to you to figure out what sort of data it's going to collect, since that seems to be as far as the description goes. Much of the space savings is thanks to the inclusion of two utilities.