According to this article what's the extreme poverty threshold for World Bank, after all? It says first: "Extreme poverty has long been defined as living on or

According to this article what's the extreme poverty threshold for World Bank, after all? It says first: "Extreme poverty has long been defined as living on or below $1.25 a day, but the World Bank’s adjustment now sets the poverty line at $1.90 a day." And then, at the end: "The World Bank first introduced a global poverty line in 1990, setting it at $1 a day. It was adjusted last in 2008, when the group raised it to $1.25 a day." Got a bit confused.