Computer Count of Huge Crowds Now Possible

Automated crowd-counting software can reduce the time needed from up to a week to just half an hour

2 min read

Computer Count of Huge Crowds Now Possible
Demonstrators in Barcelona wave pro-independence Catalan flags during celebrations of Catalonia's National Day on 11 September. Software put the total number of demonstrators at 530,000.
Photo: Lluis Gene/AFP/Getty Images