Who’s the best at telling you what to do? Grandma! Everyone knows that Grandma Knows Best so listen up while she’s calling out killstreaks or letting you know about enemy activity in multiplayer. Hurry up and win that MP battle because she's got a pie waiting for you in the oven. This content is only available in English. © 2017 Activision Publishing, Inc. ACTIVISION, CALL OF DUTY, and CALL OF DUTY INFINITE WARFARE are trademarks of Activision Publishing, Inc.