diff --git a/BookAStar/BookAStar.Droid/Resources/drawable/exclam.png b/BookAStar/BookAStar.Droid/Resources/drawable/exclam.png
new file mode 100644
index 00000000..0fc3f26a
Binary files /dev/null and b/BookAStar/BookAStar.Droid/Resources/drawable/exclam.png differ
diff --git a/BookAStar/BookAStar.Droid/Resources/drawable/nicubunu-Peer-to-peer.png b/BookAStar/BookAStar.Droid/Resources/drawable/nicubunu-Peer-to-peer.png
new file mode 100644
index 00000000..b920c64d
Binary files /dev/null and b/BookAStar/BookAStar.Droid/Resources/drawable/nicubunu-Peer-to-peer.png differ
diff --git a/BookAStar/BookAStar/App.xaml.cs b/BookAStar/BookAStar/App.xaml.cs
index cb690f7e..98337fed 100644
--- a/BookAStar/BookAStar/App.xaml.cs
+++ b/BookAStar/BookAStar/App.xaml.cs
@@ -12,12 +12,15 @@ using XLabs.Enums;
 
 namespace BookAStar
 {
+    using System.Threading.Tasks;
     using Data;
     using Interfaces;
     using Model;
     using Model.UI;
     using Pages;
+    using Plugin.Connectivity;
     using ViewModels;
+    using Microsoft.AspNet.SignalR.Client;
 
     public partial class App : Application // superclass new in 1.3
     {
@@ -70,7 +73,10 @@ namespace BookAStar
         // Called Once, at app init
         private void OnInitialize(object sender, EventArgs e)
         {
-           
+            CrossConnectivity.Current.ConnectivityChanged += (conSender, args) =>
+            {
+                App.IsConnected = args.IsConnected;
+           };
         }
 
         // called on app startup, not on rotation
@@ -225,6 +231,44 @@ namespace BookAStar
         }
 
         public static INavigationService NavigationService { protected set; get; }
+        public static bool isConnected;
+        public static bool IsConnected { get { return isConnected; }
+            private set
+            {
+                if (isConnected != value)
+                {
+                    isConnected = value;
+                    if (isConnected)
+                    {
+                        // TODO Start all cloud related stuff 
+                        
+
+                    }
+                }
+            }
+        }
+
+        // Start the Hub connection
+        private async void StartHubConnection ()
+        {
+            chatHubConnection = new HubConnection(Constants.SignalRHubsUrl);
+            if (MainSettings.CurrentUser != null)
+                chatHubConnection.Headers.Add("Bearer", MainSettings.CurrentUser.YavscTokens.AccessToken);
+            chatHubProxy = chatHubConnection.CreateHubProxy("ChatHub");
+            chatHubProxy.On<string, string>("AddMessage", (n, m) => {
+                Messages.Add(string.Format("{0} says: {1}", n, m));
+            });
+            await chatHubConnection.Start();
+        }
+        private HubConnection chatHubConnection=null;
+        private IHubProxy chatHubProxy = null;
+        public static Task<bool> HasSomeCloud {
+            get
+            {
+                return CrossConnectivity.Current.IsReachable(Constants.YavscHomeUrl, Constants.CloudTimeout);
+            }
+        }
+
         public void PostDeviceInfo()
         {
             var res = PlatformSpecificInstance.InvokeApi(
diff --git a/BookAStar/BookAStar/BookAStar.csproj b/BookAStar/BookAStar/BookAStar.csproj
index 75f2f26a..588e1398 100644
--- a/BookAStar/BookAStar/BookAStar.csproj
+++ b/BookAStar/BookAStar/BookAStar.csproj
@@ -49,7 +49,10 @@
     <Compile Include="Behaviors\StarBehavior.cs" />
     <Compile Include="Constants.cs" />
     <Compile Include="Data\LocalState.cs" />
+    <Compile Include="Model\Social\Messaging\ChatStatus.cs" />
+    <Compile Include="Model\Social\PrivateMessage.cs" />
     <Compile Include="Model\UI\PageState.cs" />
+    <Compile Include="Settings\ChatSettings.cs" />
     <Compile Include="ViewModels\EditingViewModel.cs" />
     <Compile Include="Views\EnumPicker.cs" />
     <Compile Include="Converters\BooleanToObjectConverter.cs" />
@@ -97,7 +100,7 @@
     <Compile Include="Pages\EventDetail.xaml.cs">
       <DependentUpon>EventDetail.xaml</DependentUpon>
     </Compile>
-    <Compile Include="Helpers\MainSettings.cs" />
+    <Compile Include="Settings\MainSettings.cs" />
     <Compile Include="Data\RemoteEntity.cs" />
     <Compile Include="Interfaces\IPlatform.cs" />
     <Compile Include="Model\Blog\Blog.cs" />
@@ -218,6 +221,12 @@
     <Reference Include="Newtonsoft.Json">
       <HintPath>..\..\packages\Newtonsoft.Json.9.0.1\lib\portable-net45+wp80+win8+wpa81\Newtonsoft.Json.dll</HintPath>
     </Reference>
+    <Reference Include="Plugin.Connectivity">
+      <HintPath>..\..\packages\Xam.Plugin.Connectivity.2.2.12\lib\MonoAndroid10\Plugin.Connectivity.dll</HintPath>
+    </Reference>
+    <Reference Include="Plugin.Connectivity.Abstractions">
+      <HintPath>..\..\packages\Xam.Plugin.Connectivity.2.2.12\lib\MonoAndroid10\Plugin.Connectivity.Abstractions.dll</HintPath>
+    </Reference>
     <Reference Include="Plugin.Settings, Version=2.5.1.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\..\packages\Xam.Plugins.Settings.2.5.1.0\lib\portable-net45+wp80+win8+wpa81\Plugin.Settings.dll</HintPath>
       <Private>True</Private>
diff --git a/BookAStar/BookAStar/Constants.cs b/BookAStar/BookAStar/Constants.cs
index 922a84d7..70234d49 100644
--- a/BookAStar/BookAStar/Constants.cs
+++ b/BookAStar/BookAStar/Constants.cs
@@ -19,11 +19,13 @@ namespace BookAStar
         public static readonly string UserInfoUrl = YavscApiUrl + "/me";
         public static readonly string BlogUrl = YavscApiUrl + "/blogs";
         public static readonly string FsUrl = YavscApiUrl + "/fs";
-        public static readonly string SignalRHubsUrl = YavscHomeUrl + "/signalr/hubs";
+        public static readonly string SignalRHubsUrl = YavscHomeUrl + "/api/signalr/hubs";
         #endregion
 
         #region Permissions ids
         public static int AllowBeATarget = 1;
         #endregion
+
+        public static int CloudTimeout = 400;
     }
 }
diff --git a/BookAStar/BookAStar/Data/DataManager.cs b/BookAStar/BookAStar/Data/DataManager.cs
index 1a478437..4c67559e 100644
--- a/BookAStar/BookAStar/Data/DataManager.cs
+++ b/BookAStar/BookAStar/Data/DataManager.cs
@@ -5,6 +5,7 @@
     using Model.Workflow;
     using Model.UI;
     using ViewModels;
+    using Model.Social;
 
     public class DataManager
     {
@@ -19,7 +20,7 @@
         /// </summary>
         internal LocalEntity<EditEstimateViewModel, long> EstimationCache { get; set; }
         internal LocalEntity<BillingLine, string> EstimateLinesTemplates { get; set; }
-
+        internal LocalEntity<PrivateMessage, int> PrivateMessages { get; set; }
         protected static DataManager current ;
 
         public static DataManager Current 
@@ -34,18 +35,16 @@
 
         public DataManager()
         {
-            BookQueries = new RemoteEntityRO<BookQueryData, long>("bookquery",
-                q => q.Id);
-            Estimates = new RemoteEntity<Estimate, long>("estimate",
-                x => x.Id);
-            Blogspot = new RemoteEntity<Blog, long>("blog", 
-                x=>x.Id);
+            BookQueries = new RemoteEntityRO<BookQueryData, long>("bookquery", q => q.Id);
+            Estimates = new RemoteEntity<Estimate, long>("estimate", x => x.Id);
+            Blogspot = new RemoteEntity<Blog, long>("blog", x=>x.Id);
             Contacts = new LocalEntity<ClientProviderInfo, string>(c => c.UserId);
             AppState = new LocalEntity<PageState, int>(s => s.Position);
-            EstimationCache = new LocalEntity<EditEstimateViewModel, long>(
-                e => e.Query.Id);
-            EstimateLinesTemplates = new LocalEntity<BillingLine, string>(
-                l => l.Description);
+            EstimationCache = new LocalEntity<EditEstimateViewModel, long>(e => e.Query.Id);
+            EstimateLinesTemplates = new LocalEntity<BillingLine, string>(l => l.Description);
+            PrivateMessages = new LocalEntity<PrivateMessage, int>(m=> m.GetHashCode());
+
+            PrivateMessages.Load();
             BookQueries.Load();
             Estimates.Load();
             Blogspot.Load();
diff --git a/BookAStar/BookAStar/Data/LocaLEntity.cs b/BookAStar/BookAStar/Data/LocaLEntity.cs
index 05ee3d58..56d800ce 100644
--- a/BookAStar/BookAStar/Data/LocaLEntity.cs
+++ b/BookAStar/BookAStar/Data/LocaLEntity.cs
@@ -14,7 +14,9 @@ namespace BookAStar.Data
 
         public LocalEntity(Func<V, K> getKey) : base()
         {
-            if (getKey == null) throw new InvalidOperationException();
+            if (getKey == null)
+                // choose please, because of the genesis 
+                throw new InvalidOperationException ("A key must be defined");
             GetKey = getKey;
             IList<V> l = this;
         }
diff --git a/BookAStar/BookAStar/Images/Notifications/exclam.png b/BookAStar/BookAStar/Images/Notifications/exclam.png
new file mode 100644
index 00000000..0fc3f26a
Binary files /dev/null and b/BookAStar/BookAStar/Images/Notifications/exclam.png differ
diff --git a/BookAStar/BookAStar/Images/Notifications/exclam_inv.png b/BookAStar/BookAStar/Images/Notifications/exclam_inv.png
new file mode 100644
index 00000000..0dac252a
Binary files /dev/null and b/BookAStar/BookAStar/Images/Notifications/exclam_inv.png differ
diff --git a/BookAStar/BookAStar/Model/Social/Messaging/ChatStatus.cs b/BookAStar/BookAStar/Model/Social/Messaging/ChatStatus.cs
new file mode 100644
index 00000000..0f8dcaba
--- /dev/null
+++ b/BookAStar/BookAStar/Model/Social/Messaging/ChatStatus.cs
@@ -0,0 +1,10 @@
+namespace BookAStar.Model.Workflow.Messaging
+{
+    public enum ChatStatus
+    {
+        OnLine,
+        Away,
+        OffLine
+    }
+}
+
diff --git a/BookAStar/BookAStar/Model/Social/PrivateMessage.cs b/BookAStar/BookAStar/Model/Social/PrivateMessage.cs
new file mode 100644
index 00000000..1fa633fd
--- /dev/null
+++ b/BookAStar/BookAStar/Model/Social/PrivateMessage.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BookAStar.Model.Social
+{
+    class PrivateMessage
+    {
+        public DateTime Date { get; set; }
+        public string SenderId { get; set; }
+        public string Message { get; set; }
+    }
+}
diff --git a/BookAStar/BookAStar/Pages/ChatPage.xaml b/BookAStar/BookAStar/Pages/ChatPage.xaml
index f53cc3f6..0a15c6b3 100644
--- a/BookAStar/BookAStar/Pages/ChatPage.xaml
+++ b/BookAStar/BookAStar/Pages/ChatPage.xaml
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
+<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="BookAStar.Pages.ChatPage"
              >
-
+<TabbedPage.Children>
+  <ContentPage Title="Public" Icon="chat.png" >
   <StackLayout Padding="5, 5, 5, 5">
     <StackLayout Spacing = "12"
                   Orientation = "Horizontal"
@@ -19,4 +20,10 @@
     </StackLayout>
   <ListView x:Name="messageList"></ListView>
   </StackLayout>
-</ContentPage>
\ No newline at end of file
+ </ContentPage>
+  <ContentPage Title="Notifications" Icon="exclam.png" >
+ </ContentPage>
+  <ContentPage Title="Privé" Icon="nicubunu-Peer-to-peer.png" >
+ </ContentPage>
+</TabbedPage.Children>
+</TabbedPage>
\ No newline at end of file
diff --git a/BookAStar/BookAStar/Pages/ChatPage.xaml.cs b/BookAStar/BookAStar/Pages/ChatPage.xaml.cs
index cab895da..0d4ecc76 100644
--- a/BookAStar/BookAStar/Pages/ChatPage.xaml.cs
+++ b/BookAStar/BookAStar/Pages/ChatPage.xaml.cs
@@ -6,7 +6,7 @@ using Xamarin.Forms;
 
 namespace BookAStar.Pages
 {
-    public partial class ChatPage : ContentPage
+    public partial class ChatPage : TabbedPage
     {
         public ObservableCollection<string> Messages { get; set; }
         public string ChatUser { get; set; }
@@ -42,7 +42,9 @@ namespace BookAStar.Pages
         {
             IsBusy = true;
             chatHubConnection = new HubConnection(Constants.SignalRHubsUrl);
+            
             chatHubProxy = chatHubConnection.CreateHubProxy("ChatHub");
+            
             chatHubProxy.On<string, string>("AddMessage", (n, m) => {
                 Messages.Add(string.Format("{0} says: {1}", n, m));
             });
diff --git a/BookAStar/BookAStar/Settings/ChatSettings.cs b/BookAStar/BookAStar/Settings/ChatSettings.cs
new file mode 100644
index 00000000..4e50073c
--- /dev/null
+++ b/BookAStar/BookAStar/Settings/ChatSettings.cs
@@ -0,0 +1,80 @@
+using BookAStar.Model.Workflow.Messaging;
+using Plugin.Settings;
+using Plugin.Settings.Abstractions;
+using System.Collections.Generic;
+
+namespace BookAStar.Settings
+{
+    public static class ChatSettings
+    {
+        public static ISettings AppSettings
+        {
+            get
+            {
+                return CrossSettings.Current;
+            }
+        }
+        private const string statusKey = "chat.status";
+        private const string ignoreListKey = "chat.ignoreList";
+        private const string denyAnonymousAccessKey = "chat.denyAnonymousAccess";
+        private const string denyTouristAccessKey = "chat.denyTouristAccess";
+
+        public static ChatStatus Status
+        {
+            get
+            {
+                return AppSettings.GetValueOrDefault<ChatStatus>(statusKey, ChatStatus.OffLine);
+            }
+            set
+            {
+                AppSettings.AddOrUpdateValue<ChatStatus>(statusKey, value);
+            }
+        }
+        public static List<string> IgnoreList
+        {
+            get
+            {
+                return AppSettings.GetValueOrDefault<List<string>>(ignoreListKey);
+            }
+        }
+        public static void Ignore(string userId)
+        {
+            var ignoreList = IgnoreList;
+            ignoreList.Add(userId);
+            AppSettings.AddOrUpdateValue(ignoreListKey, ignoreList);
+        }
+        public static void UnIgnore(string userId)
+        {
+            var ignoreList = IgnoreList;
+            ignoreList.Remove(userId);
+            AppSettings.AddOrUpdateValue(ignoreListKey, ignoreList);
+        }
+        public static void UnIgnoreAll()
+        {
+            var ignoreList = new List<string>();
+            AppSettings.AddOrUpdateValue(ignoreListKey, ignoreList);
+        }
+        public static bool DenyAnonymousAccess
+        {
+            get
+            {
+                return AppSettings.GetValueOrDefault<bool>(denyAnonymousAccessKey);
+            }
+            set
+            {
+                AppSettings.AddOrUpdateValue<bool>(denyAnonymousAccessKey, value);
+            }
+        }
+        public static bool DenyTouristAccess
+        {
+            get
+            {
+                return AppSettings.GetValueOrDefault<bool>(denyTouristAccessKey);
+            }
+            set
+            {
+                AppSettings.AddOrUpdateValue<bool>(denyTouristAccessKey, value);
+            }
+        }
+    }
+}
diff --git a/BookAStar/BookAStar/Helpers/MainSettings.cs b/BookAStar/BookAStar/Settings/MainSettings.cs
similarity index 100%
rename from BookAStar/BookAStar/Helpers/MainSettings.cs
rename to BookAStar/BookAStar/Settings/MainSettings.cs