Image recognition algorithms, military satellites, and mobile data networks can all help estimate crowd sizes. But the underlying maths still comes down to a basic formula: density multiplied by area.
President Donald Trump speaks at a rally in Indiana.
AP Photo/Carolyn Kaster
Politicians are often eager to embrace the support of sports stars. But when Donald Trump trots out a very specific type of athlete and coach at his events, who’s he really trying to appeal to?
The Economic Freedom Fighters recently launched their manifesto in Soweto. Party leader Julius Malema (waving) is the master of political theatre.
EPA/Cornell Tukiri
Red berets, hard hats, overalls and domestic workers’ uniforms have become a prominent part of South African politics. But these are more than just props for the EFF political party.