This link to a tweet is about a letter in a red envelope that a British businessman, who was one of those fleeing the destruction in Manhattan on 9/11, saw on the ground and scooped up impusively.
He then forwarded it from London to its destination in LA. In a short video (~3.5 minutes) the recipients talk about how they felt.
Latchkey kids - were you ever one?
Not being looked in the eye when talking with someone