https://www.techradar.com/news/the-technology-and-equipment-needed-to-film-all-64-matches-of-the-2018-world-cup

1 billion. That’s how many people are likely to tune in to watch the Russia World Cup 2018 final. To make sure that every single one of those football fans get to see the match in the best possible way, a lot of preparation has been done.

Filming a football match is a complicated process, that takes hundreds of man hours before a ball is kicked. It also takes a huge amount of infrastructure investment - in total 300 broadcasters are showcasing live matches to 210 countries.