2030: How Today's Biggest Trends Will Collide and Reshape the Future of Everything Class_Romance kawan satu sekolah yang kemudiannya Subclass_War kawan satu sekolah yang kemudiannya menjadi sahabat baik By following The 4 Disciplines: a new reality will take hold and before you know it: There will be more grandparents than grandchildren The middle class in Asia and Sub Saharan Africa will outnumber the US and Europe combined The global economy will be driven by the non Western consumer for the first time in modern history There will be more global wealth owned by women than men There will be more robots than workers There will be more computers than human brains There will be more currencies than countries