gary vaynerchuck is a belarusian-american serial entrepreneur, author, speaker and content creater with a following of over 8 million on instagram. he is the chairman of VaynerX, a modern-day media and communications holding company and the active CEO of VaynerMedia, a full-service advertising agency servicing Fortune 100 clients across the company's 4 locations. in this episode, kashvi is review is 2018 business book, "crushing it!" question of the week: which is that one book that changed your perspective completely?