Joke Collection Website - Public benefit messages - How does Apple know that the other party has read the text message?

How does Apple know that the other party has read the text message?

1. Open the information application.

2. Select the dialogue you want to view in the dialogue list.

3. During the conversation, the short message you sent will display a small gray check icon, indicating that it has been sent successfully.

4. When others read your message, the small checkmark icon in the conversation will turn blue.

5. If the other party doesn't read your information, the small checkmark icon will remain gray.