diff --git a/spaceapi/state.py b/spaceapi/state.py
--- a/spaceapi/state.py
+++ b/spaceapi/state.py
@@ -4,6 +4,10 @@ from time import time
 
 from flask import Blueprint, jsonify, request, current_app, abort
 
+import twitter
+
+import twitter
+
 from .utils import ActiveStatus
 from .auth import httpauth
 
@@ -12,6 +16,10 @@ state_views = Blueprint('state', __name_
 ALLOWED_STATE_KEYS = frozenset(('open', 'lastchange',
                                 'trigger_person', 'message'))
 
+twitter_api = twitter.Api()
+
+twitter_api = twitter.Api()
+
 
 @state_views.route('/set/<key>', methods=['POST'])
 @httpauth.login_required
@@ -28,6 +36,32 @@ def set_state(key):
         if key == 'open':
             active['state']['lastchange'] = int(time())
 
+            if 'twitter_consumer_key' in current_app.config:
+                twitter_api.SetCredentials(
+                    consumer_key=current_app.config['twitter_consumer_key'],
+                    consumer_secret=current_app.config['twitter_consumer_secret'],
+                    access_token_key=current_app.config['twitter_access_token_key'],
+                    access_token_secret=current_app.config['twitter_access_token_secret']
+                )
+
+                if value:
+                    twitter_api.PostUpdate('The space is now open!')
+                else:
+                    twitter_api.PostUpdate('The space is now closed!')
+
+            if 'twitter_consumer_key' in current_app.config:
+                twitter_api.SetCredentials(
+                    consumer_key=current_app.config['twitter_consumer_key'],
+                    consumer_secret=current_app.config['twitter_consumer_secret'],
+                    access_token_key=current_app.config['twitter_access_token_key'],
+                    access_token_secret=current_app.config['twitter_access_token_secret']
+                )
+
+                if value:
+                    twitter_api.PostUpdate('The space is now open!')
+                else:
+                    twitter_api.PostUpdate('The space is now closed!')
+
         active.save_last_state()
         return jsonify(active)
     else: