Visual Hammer by Laura Ries: foreword to the Polish edition.

Economist, Keynote Speaker, Best-Selling Author, Marketing & Innovation Strategist, digital influencer, blogger, entrepreneur, top columnist Forbes Polska

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Jack Kotarbinski

Jack Kotarbinski

Economist, Keynote Speaker, Best-Selling Author, Marketing & Innovation Strategist, digital influencer, blogger, entrepreneur, top columnist Forbes Polska

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