The hypothesis came after extensive analysis of high resolution images published online last year by Factum Arte, a Madrid-based art restoration specialist who helped create a facsimile of King Tut's burial chamber in Luxor.
Prof Falk said that she did not believe that the Japanese analysis excluded the alternative hypothesis of an as-yet-undiscovered small-brained ape-like ancestor that migrated from Africa.
Whereas traditional product development would involve making product decisions using business intuition and knowledge, Zynga turned decision-making on its head by hypothesis-driven product testing, quick analysis and agile roll-out based on how customers behaved.