A Note On Viral Marketing – Part IV: Examining The Widely Used Skok-Reiss Virality Model

The formula in the image right is widely used to model the growth of users of a website or an app. It has been popularized through a series of posts by David Skok. Kevin Lawler explained how the formula is derived. Furthermore, Andrew Chen and others, investors and entrepreneurs alike, have written several blog posts about virality and viral marketing that build on this formula.

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