How much will streaming of the World Cup slow down the Internet today and tomorrow?

Wednesday’s England-Croatia game will send the UK’s productivity to zero. A number of years ago, people accessing streams online had to be in the office on a PC with a fast broadband connection. Hall told The Guardian: “It’s one of the flaws in an emerging technology. Tuesday’s France-Belgium game will have the continent transfixed. ITV1 recorded a peak of 24.4 million viewers during England’s last-16 match against Colombia last Tuesday, while 3.9 million requested Saturday’s quarter-final against Sweden on BBC iPlayer and BBC Sport. From TVB Europe:
The BBC has warned that those watching England’s World Cup campaign over streaming services could experience latency delays of up to 20 seconds. Now what we tend to see is around 45 per cent of stream starts are from people on mobile. With things coming to a crunch today and tomorrow with the semi-finals, we’ll get a chance to see how the Internet will hold up. A record 3.8m of these streams were live, making it the BBC’s highest online-viewed live programme ever, despite the broadcaster’s iPlayer service going down for a brief time on Saturday. In both cases, people will be streaming the matches to their mobile units and computers at levels we might not have seen before. Despite the broadcaster working hard to improve the situation, online streaming services still have a ‘significant’ time delay compared with traditional TV broadcasts. Each time a World Cup year rolls around, there are all sorts of new consumer-facing technologies that people use to access games. It might be fun to test Internet speeds where you are, just to see if there’s any worldwide impact. Read more here.
How much will streaming of the World Cup slow down the Internet today and tomorrow?