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Dan Zarrella is a social, search, and viral marketing scientist with a background in web development who combines his programming capabilities with a passion for social marketing to create sites like the online geek dating community Geekflirt, social URL shortener Votrs.com and Link Attraction Factors keyword tools.

His Link Attraction Factors report helped readers determine which topics, days, times, and keywords attract links in social media stories for semantic content optimization, while his Viral Content report details the motivations, preferences and habits involved in online content sharing.

Dan has written extensively about the science of viral marketing, memetics and social communications on his own blog and for a variety of popular industry blogs, including ReadWriteWeb, Plagiarism Today, ProBlogger, Social Desire, CenterNetworks, Nowsourcing, and SEOScoop.

He has spoken at PubCon and The Texas Domains and Developers Conference.