In addition to that, it also seems to be a big thing that people can place any sort of bets mid-game, rather than stopping all betting as soon as the game kicks

In addition to that, it also seems to be a big thing that people can place any sort of bets mid-game, rather than stopping all betting as soon as the game kicks off. That's old news in Europe, not just thanks to a single site like Betfair - nearly every company offers in-game betting, both online and in shops.