View source for Finite amount of human computing time

There are 8 billion people on earth. Some 2.2 billion people around the world do not have safely managed drinking water services, 4.2 billion people do not have safely managed sanitation services, and 3 billion lack basic handwashing facilities<ref>https://www.who.int/news/item/18-06-2019-1-in-3-people-globally-do-not-have-access-to-safe-drinking-water-unicef-who</ref>. In addition, 1 billion go hungry everyday<ref>https://www.worldvision.com.au/global-issues/work-we-do/famine/why-are-so-many-people-in-the-world-hungry#:~:text=Almost%20821%20million%20people%20in,have%20access%20to%20enough%20food.</ref>. Two billion people are affected by fragility, conflict or violence.<ref>https://www.icrc.org/en/document/global-trends-war-and-their-humanitarian-impacts-0</ref> 

many of which primary concern is full filling the lowest rung of [[Maslow's hierarchy|Maslows hierarchy]].