He contrasts this with Germany, where citizens, businesses and bureaucrats are still spending euros to send physical letters, creating a drag on the entire economy.

Germany tried, more than a decade ago:

The project was announced in 2008 and was approved by the Bundestag and the Bundesrat in early 2011. The De-Mail law (which serves as the legal basis for the service) went into effect on May 2, 2011.

https://en.wikipedia.org/wiki/De-Mail

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