The 2011 #Nifty50 Top Twitter Men Reprise
Webbiquity
JUNE 6, 2011
Mark is an experienced digital marketer, social brand strategist, speaker, blogger and educator. He was featured in a Harvard Business School case study “ HubSpot: Marketing and Web 2.0 “ He enjoys talking about marketing, appears frequently as a marketing speaker and blogs at blog.hubspot.com.
100 
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