Create a specific layer or groups of layers for a targeted category of devices such as routers, robots, etc. This will demonstrate the value of Yocto to developers and also help them get up to speed quicker for for targeted device category.
In distro meeting, that is clarified it is NAS project.
The exercise for 3 weeks for Baryon is done, please see https://wiki.yoctoproject.org/collab/Baryon_-_a_NAS_solution_built_with_Yocto for details.
or at https://wiki.yoctoproject.org/wiki/Baryon