This is just my opinion on the design and should be only seen as a public discussion around the project ... opinions on my ideas are welcome too.
There are also more details in the anotations.
Project: https://www.youtube.com/watch?v=DsiSyVFSJlI&lc=UgxydDJmKTMyDQ_ciSp4AaABAg.9WVs2Ae4-j09XznKrCu64k