Walter OBrien invites you to Living Legends of Entrepreneurial Marketing at Carnegie Hall https://youtu.be/SurAHsyfA-U

Walter OBrien invites you to Living Legends of Entrepreneurial Marketing at Carnegie Hall https://youtu.be/SurAHsyfA-U via Twitter Search / clintarthur https://twitter.com/clintarthur/status/1152566993242984451