freemium

Case Study hay về Freemium

by ePi.Longo on April 29, 2010 · 0 comments - 1,040 views

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Visualizing Chris Anderson’s "Free" Model

by ePi.Longo on October 1, 2008 · 1 comment - 258 views

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Mô hình Freemium (2)

by ePi.Longo on September 14, 2008 · 3 comments - 416 views

in case study,marketing

Mô hình Freemium (1)

by ePi.Longo on September 14, 2008 · 8 comments - 902 views

in case study,marketing