Also, peace means more than just "not going to war". For example, when video cameras got so small and cheap and power-conserving that they could be stuffed int

Also, peace means more than just "not going to war". For example, when video cameras got so small and cheap and power-conserving that they could be stuffed into every cellphone and worn by police officers, it kicked off a transformation of race relations and the topic of deadly police force in the United States. I think this particular change is only beginning to pick up steam, and will be a major force for domestic peace in the years ahead.