For authors, "pub date" is exciting because it is when books ship from the online booksellers in the U.S. like Amazon and it is when the book appears on the shelves in American stores like Barnes & Noble. Books will be available worldwide in the coming weeks.
Of the four updates to New Rules, this 4th edition is the most comprehensive. It is completely revised and updated. I wrote new chapters on Newsjacking and marketing with images using tools like Pinterest and Instagram.