diff --git a/mytwitter.py b/mytwitter.py
index 98768bb..c9ee053 100755
--- a/mytwitter.py
+++ b/mytwitter.py
@@ -2,7 +2,7 @@
 #
 # Custom twitter client... mostly for learning Python
 
-import sys, twitter, Tkinter, Pmw, ConfigParser, os
+import sys, twitter, Tkinter, Pmw, ConfigParser, os, tkMessageBox
 
 
 class TwitWindow:
@@ -54,17 +54,20 @@ class TwitWindow:
         self.update_box.grid_columnconfigure(0, weight=1)
         self.update_button = Tkinter.Button(self.update_box, text="Update", command=self.update_status)
         self.update_button.grid(row=0, column=1, sticky=Tkinter.W)
+        self.update_count = Tkinter.Label(self.update_box, text="0/140")
+        self.update_count.grid(row=0, column=2, sticky=Tkinter.E)
 
         ### Set up bindings
 
-        # Bind scrollwheel to move the tweets.  Might as well allow scrollwheel
-        # from anywhere, so we'll bind to tkroot
-        self.tkroot.bind("<Button-4>", self.scroll_wheel);
-        self.tkroot.bind("<Button-5>", self.scroll_wheel);
+        # Bind scrollwheel to move the tweets, as well as page up/down
+        self.tkroot.bind_all("<Button-4>", self.scroll_wheel);
+        self.tkroot.bind_all("<Button-5>", self.scroll_wheel);
+        self.tkroot.bind_all("<Prior>", self.page_up);
+        self.tkroot.bind_all("<Next>", self.page_down);
 
+        # Bind any key in the update_entry to adjust the counter, except return
+        self.update_entry.bind('<KeyRelease>', self.char_counter)
         self.update_entry.bind('<Return>', self.update_status_callback)
-        self.tkroot.bind("<Prior>", self.page_up);
-        self.tkroot.bind("<Next>", self.page_down);
 
 
         # Init the twitter API and start up the main loop
@@ -91,6 +94,9 @@ class TwitWindow:
 
     def update_status(self):
         text = self.update_entry.get()
+        if len(text) > 140:
+            tkMessageBox.showerror('Tweet too long', 'Tweets can only be 140 characters.  Write a shorter tweet and try again.')
+            return
         self.update_entry.delete(0, Tkinter.END)
         self.api.PostUpdate(text)
         self.update_window()
@@ -112,9 +118,15 @@ class TwitWindow:
     def page_up(self, event):
         self.tweet_view.yview('scroll', -15, 'units');
 
+
     def page_down(self, event):
         self.tweet_view.yview('scroll', 15, 'units');
 
+
+    def char_counter(self, event):
+        new_count = str(len(self.update_entry.get())) + "/140"
+        self.update_count.config(text=new_count)
+
 ### end class TwitWindow
 
 
@@ -139,19 +151,6 @@ def print_formatted(statuses):
         print
 
 
-# Do the action!
-# arg = ""
-# if len(sys.argv) > 1:
-#     arg = sys.argv[1]
-
-# actions = {
-#     "show_lists": print_lists,
-#     "list": print_statuses_list,
-#     }
-
-# actions.get(arg, print_statuses)()
-
-
 # main
 win = TwitWindow()
 win.create_window()