1) The document discusses how technology has dramatically increased life expectancy over the past century, from 43 years in 1945 to 75 years currently.
2) It credits technologies like water supply, vaccines, and early disease detection with controlling death and improving health, leading to both increased life expectancy and a decline in fertility rates.
3) However, hundreds of millions of older people around the world still do not have access to the technologies that could help them, and in developing countries 80% of older persons do not have a basic income.