An instant message is an online typewritten conversation in real-time between two or more contacts. As you type an instant message, you can format your messages by changing fonts and text color and by inserting backgrounds and color schemes (New!). Each message can contain up to 400 characters. If you have a writing input device and Microsoft Windows Journal Viewer installed, you can also draw or handwrite (New!) your messages. You cannot send an instant message to more than one person, but you can invite other people using the same messaging service to participate in an existing conversation; you can include up to five people in a conversation.