         // Start by creating a query that limits the synchronization to the last 25 messages.
         let messagesQuery = messageRef.queryLimitedToLast(25)
         
-        
         // Use the .ChildAdded event to observe for every child item that has been added, and will be added, at the messages location.
         messagesQuery.observeEventType(FEventType.ChildAdded) { (snapshot:FDataSnapshot!) -> Void in
             
             // Extract the senderId and text from snapshot.value.
-            
-            
             
             if let id = snapshot.value["senderId"] as? String, text = snapshot.value["text"] as? String {
                 

    // MARK: Properties
    var messages = [JSQMessage]() // messages is an array to store the various instances of JSQMessage
    
    
    var outgoingBubbleImageView: JSQMessagesBubbleImage!
    var incomingBubbleImageView: JSQMessagesBubbleImage!
    
    // Firebase
    // In case you’re wondering, creating another reference doesn’t mean you’re creating another connection. Every reference shares the same connection to the same Firebase database.
    let rootRef = Firebase(url: BASE_URL)
    var messageRef = Firebase()
    
    override func viewDidLoad() {
        super.viewDidLoad()

    override func viewDidAppear(animated: Bool) {
        super.viewDidAppear(animated)
        self.observeMessages()
        self.observeTyping()
    }
    
    
