Oh yes!, it's free - the 21st century business model - TU Berlin Keynote Edit Delete Tags Autopost I just returned to the office from the Technical University Berlin (TU Berlin) where I was talking in a keynote about FREE as a business model. Click here to download: 200910_TU_Business_model_FREE.pdf (341 KB) (download) Click here to download: 200910_TU_Business_model_FREE.pdf (341 KB)