Być dżentelmenem. Savoir-vivre nowoczesnego mężczyzny

This book emphasizes modern etiquette in a changing social landscape. I'm curious what motivated the author to write this guide now.

The advice on handling digital communication felt very timely. Did others think these tips will stand the test of time or become outdated quickly?

Given the wide range of social situations, I wonder what process the author used to determine the most important manners for today.