Sony Found That Japanese Commuters Had Difficulty Using Standard Laptops

Sony found that Japanese commuters had difficulty using standard laptops on crowded rush- hour trains since standing commuters have no laps.So Sony created the U as a "standing computer." The U includes a touch screen and small keyboard that can be used while standing or on the move.This is an example of .

A) dual adaptation
B) communication adaptation
C) product adaptation
D) product invention
E) straight product extension