Sport is constantly changing thanks to advances in technology.
It helps聽to catch聽those flaunting the rules, to improve accuracy聽in decision-making and聽to discover and build world-class athletes.
Many of the world鈥檚 biggest events and聽games are unrecognisable to those being played 50, 30, or even 10 years ago.
Often controversial, advances have made sport safer, more accurate and more exciting.
But how much do you know about how sport has changed thanks to technology? Take our quiz to find out.