How Language Began: The Story of Humanity's Greatest Invention

Once a neighbor told me that she and her husband met with a visiting couple who couldnt takk their language. She said she felt bad that she couldnt communicate even though she called them for lunch. I thought at some level, the guests would have appreciated the chance to meet similar aged people, even though they cant communicate through language. The neighbor recalled that she showed the albums of her childrens family.