Dan ZarrellaDan Zarrella has written extensively about the science of viral marketing, memetics and social media on his own blog and for a variety of popular industry blogs. His work has been featured in The Twitter Book (O'Reilly), and many leading newpapers an periodicals. He is a popular speaker and was recently awarded Shorty and Semmy awards for social media and viral marketing. Dan currently works as an inbound marketing manager at HubSpot. Read More Read Less