Its easy to justify the fundamentals on why Facebook is worth $50bb or more. Zynga revenues alone ($800mm) with 30 of that going to Facebook ($240mm). Multiply

Its easy to justify the fundamentals on why Facebook is worth $50bb or more. Zynga revenues alone ($800mm) with 30 of that going to Facebook ($240mm). Multiply that by 5 (assume Zynga has modest growth) and give it a 30x multiple and you start to hone in on $50bb. But the main reason Facebook is worth more than $50bb, I wrote about here: http://www.jamesaltucher.com/2011/01/why-facebook-is-worth-50bb-part-ii/ http://www.jamesaltucher.com/2011/01/why-facebook-is-worth-5...