Why Microsoft's Activision Blizzard acquisition is such a big deal

It’s been a big Tuesday for the game industry. This morning, Microsoft announced that it has entered a deal to purchase Activision Blizzard, the largest third-party games publisher in the world. Microsoft is paying nearly $70 billion for Activision Blizzard, making the $7.5 billion it paid for ZeniMax Media and its subsidiaries a year ago look like a paltry sum. …