Canadian horse racing fans use their phones on race day to check real-time...

https://horse-canada.com/magazine/business/how-mobile-technology-is-changing-the-horse-racing-fan-experience/

Canadian horse racing fans use their phones on race day to check real-time results, stay updated on last-minute scratches, and watch replays right at the track or from home. Mobile tech gives easy access to detailed data, helping fans make smarter wagers