From TechPresident: Facebook Haggadah: A Case Study in Viral ROI
Amy Sample Ward
APRIL 7, 2009
Sifry , the co-founder of Personal Democracy Forum, took a closer look at ROI for Facebook apps in his piece last week Facebook Haggadah: A Case Study in Viral ROI (Is This App Different From All Other Apps?) Here’s an excerpt from his post : Within a day his Facebook Haggadah was all over the web. Should he be?
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