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Ed Brill (@edbrill), author of Opting In hosted by Kat Mandelstein (@katmandelstein) from our Social Media Club International Board.
Mack is a Director at IBM who has succeeded in elevating IBM's expertise and reputation in brand and product management. He has constantly innovated in both marketplace strategy and product execution. More on Mack and his book here: http;//www.edbrill.com
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