Design for the Other 90 Per CentOf the world's total population of 6. 5 billion, nearly 5. 8 billion people, or 90%, have little or no access to most of the products and services many of us take for granted; in fact, nearly half do not have regular access to food, clean water, or shelter. Design for the Other 90% explores more than 30 projects which reflect the growing movement among designers, engineers, students and professors, architects, and social entrepreneurs to design low