The glossary of non-verbal signals and their meaning makes you aware of the limitations of Zoom, Teams, and Skype, espacially in COVID times.
MBTI is more fascinating than expected, from its amateurish origins and its lack of scientific underpinning to its unlikely longevity and commercial success.
The book starts as more-or-less scientific research into drivers of success, but ends as motivational self-help literature.
Unfortunately, the book contains too many anecdotes that feature Woody Allen.
More emphasis could have been put on online shopping where more direct measurement possible and implementation is easier.