The MedPage Today article cites David Hanauer, MD, MS, of the University of Michigan Medical School. Hanauer asks, "Are they crying tears of joy, are they laughing?" in relation to facial expressions. He mentions emoticons and their interpretation, especially those with tears. He asks if the tears on the face mean sadness, tears of joy or laughter. He illustrates these questions with examples of emoticons. The article is part of the "What we heard this week" column.