And you're right to put this in terms of fear. So much of the structure of business is built around fear of employees and fear of customers. I've made friends and kept in touch with old friends by email. Those conversations are real. Some people will prefer to use video or voice instead of email, but email will continue to be an important new way people talk with one another.
Email is here to stay.
To help the company be smart. Companies are smart not because they have lots of data or lots of smart individuals but because they have smart conversations happening all over the place, crossing all the organizational boundaries, including with customers. If they continue to view the Web as a very slow broadcast medium, they will at best be ignored, and at worst treated with the contempt they're showing to their customers. Lots of senior managers, including CEOs of Fortune 100 companies, have read the book, had one or more of the authors in to talk, given out copies of the book to their teams, and so forth. He writes frequently for Wired, Knowledge Management World, Intranet Design Magazine, and others.