A subtler effect is the way that digital communication tools can subvert the offline communication that remains in your life. Because our primal instinct to connect is so strong, it’s difficult to resist checking a device in the middle of a conversation with a friend or bath time with a child—reducing the quality of the richer interaction right in front of us. Our analog brain cannot easily distinguish between the importance of the person in the room with us and the person who just sent us a new text.