A few weeks ago Boy van Amstel and I had funny idea for a twitter mash-up. We would basically measure your twitter popularity in the form of a giant penis. Better know as the e-Penis. Funny enough? Well in order to see if we really created something to talk about, we registered a URL: www.epenis.nl and we uploaded the e-Penis app with a few ’share-this’ buttons. The first button was to post it on Twitter, and the second one was to Digg it. Would people share this site with their friends? How

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How we created a Twitter viral