Want to send a message to someone but keep a little bit of mystery? Invisible Ink lets you do just that. Here's how to use it when sending a message.

Your text box will now read Send Later, and a blue bar will appear over it showing when your message will be delivered. You can tap this bar to adjust the date and time.

Do you know you can animate your text messages in the Messages app? Learn here how to bring your texts to life with this guide.