It's just arrived in beta, but Apple's next chat app is intriguing. Are you looking to spice up your Messages skills? Here are a half dozen tips and tricks for you to start with. Choose the contact method: Messages can contact you via your AIM/iChat ID, your phone number, your Apple ID, and so forth. It's up to you to choose exactly how you want your message delivered. Locate the pop-up in the To: field and use it to select the contact method you want to use for your conversation.
