Over the internet for file sync. Desktop devices.

Banned in the EU since 20 years, in Germany more than 30 years. Strange that this is so different in the US

The return of web directories 🤩 https://en.m.wikipedia.org/wiki/Web_directory

Trust me, there are numbers which are reliable. https://www.annefrank.org/en/anne-frank/go-in-depth/what-is-the-holocaust/

Unfortunately, the Nazis where very anal about book keeping and number crunching. They also got help from a small company called International Business Machines: https://en.m.wikipedia.org/wiki/IBM_and_the_Holocaust