You might be surprised to learn that people actually enjoy seeing old pictures, especially if they are of you! Posting an old picture can be a great way to start a conversation, or simply to make someone smile. Here are a few things you can say when you post an old picture: "This is me back in the day!" "I can't believe how much I've changed!" "Time sure does fly!" "Feeling nostalgic today." "Missing the good old days."