FIFA will introduce semi-automated offside technology at the 2022 World Cup, using 12 cameras and a custom soccer ball to track players and make offside calls (Paul MacInnes/The Guardian)

Paul MacInnes / The Guardian:
FIFA will introduce semi-automated offside technology at the 2022 World Cup, using 12 cameras and a custom soccer ball to track players and make offside calls  —  - Sensor in ball will send out location data 500 times per second  — Fifa claim average decision time will fall from 70sec to 25sec