The 2011 #Nifty50 Top Twitter Men Reprise
Webbiquity
JUNE 6, 2011
David has published 15 books and his latest is Brand Relevance. On David’s blog you will find more information on Brand Relevance as well as all his other books he has published. Based in Washington, DC, Holger is director of marketing for information security vendor SafeNet. Holger Schulze – @HolgerSchulze.
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