via How the humble S-bend made modern toilets possible – BBC News
“”Gentility of speech is at an end,” thundered an editorial in London’s City Press, in 1858. “It stinks!””
“More than 170 years later, about two-thirds of the world’s people have access to what’s called “improved sanitation”, according to the World Health Organization, up from about a quarter in 1980.”
“Across various African countries, for example, it reckons inadequate sanitation lops one or two percentage points off gross domestic product (GDP), in India and Bangladesh over 6%, and in Cambodia 7%”