The fact "chatting with friends requires having friends" is illustrated with the story:1. Jill complained that she was bored.2. Her mom suggested chatting with her friends.3. Jill picked up her telephone and looked for her friends' phone number in her address book.4. Jill found her address book empty, and realized she had no friends.5. Jill tried chatting with the dial tone, but it always said the same thing.