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The Wired magazine has an article on Arican and his invention.

https://www.wired.com/story/huawei-5g-polar-codes-data-break...

Amazon published a whitepaper on Sidewalk's Privacy and Security:

> https://m.media-amazon.com/images/G/01/sidewalk/final_privac...

In a nutshell:

- endpoints (eg, smart bulb) doesn't know much about the gateway (which could belong to your neighbor)

- the gateway doesn't know much about your endpoints.

If you're concerned about privacy, also look at the application of the protocol: Amazon's Ring Security Cameras are meant to be used in a Facebook-Like hobbyist surveillance community:

> https://shop.ring.com/pages/neighbors-public-safety-service

UX is also being neglected by train companies, and especially between train companies.

I think it would be a great enhancement if we had a European booking system that'd provide single-ticket journeys no matter which operator, and a Google-Flights-like UX.

Right now, the German DB got me into a mindset of adding an extra hour between transits, and assume that the train might skip my destination entirely. And if I file a complaint? Well, that's already part of the price!