In Gestures of Concern Chris Ingraham shows that while gestures such as sending a "Get Well" card may not be instrumentally effective, they do exert an intrinsically affective force on a field of social relations. From liking, sharing, posting, or swiping to watching a TED Talk or wearing an "I Voted" sticker, such gestures operate as much through affective registers as they do through overt symbolic action. Ingraham demonstrates that gestures...