Xbox vs PlaystationChristian Petersen/Getty Images

Sony’s PlayStation 4 is the most popular video game console in the world.

Over 80 million PS4 consoles have been sold across the past five years, which puts Sony ahead of both Microsoft’s Xbox One and Nintendo’s Switch by tens of millions of units sold. But that dominance also puts Sony on the defensive as Microsoft and Nintendo both attempt to compete.

Nintendo’s answer has been the wildly popular Switch console: It’s less of a response to the PlayStation 4 than a brilliant evolution of the failed Wii U. Nintendo, as ever, is doing its own thing.

Microsoft’s answer, however, has been a direct offensive — a multi-faceted one with massive, precedent-breaking impacts: