Isn't this the gaming platform [they] were using to "secretly" communicate?

I believe there is a Q Post regarding this.

Video-game maker Blizzard Entertainment canceled one of its biggest projects on Thursday as part of a reorganization under new owner Microsoft Corp. that led to mass layoffs of 1,900 people, or 8% of the gaming division’s total staff. The cancelation of the game, codenamed Odyssey, left Blizzard employees reeling as some lost their jobs and others were left wondering about the future of the studio.

Moar: https://www.msn.com/en-us/money/other/microsoft-cancels-new-blizzard-video-game-after-six-years-of-development/ar-BB1hgriK