diff --git a/app/assets/javascripts/application/registration.js b/app/assets/javascripts/application/registration.js
new file mode 100644
index 0000000000000000000000000000000000000000..63f246e2e340a30465e69719dcd48939f606d15b
--- /dev/null
+++ b/app/assets/javascripts/application/registration.js
@@ -0,0 +1,27 @@
+$(document).ready (function() {
+
+  $('.email-verify').change(function(){
+    $.ajax({
+        url: '/users/verify_email',
+        data: { email: $(this).val()},
+        dataType: "json",
+        success: function(data) {
+          if (data.valid === true) {
+            $('.email-verified').show();
+            $('.email-non-verified').hide();
+          }
+          else {
+            $('.email-verified').hide();
+            $('.email-non-verified').show();
+          }
+        },
+        error: function () {
+            response([]);
+        }
+    });
+  });
+
+
+
+
+});
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index b3c56bd2a6927d605cffb79be1598554d08e94d0..0a2504fed507c0c34c59f8ba4aea036f8b9fa64b 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -34,6 +34,11 @@ class UsersController < ApplicationController
     redirect_to user_path(@followable)
   end
 
+  def verify_email
+    exists = User.find_by_email(params[:email])
+    render json: { valid: exists.nil? && !params[:email].match(Devise.email_regexp).nil? }
+  end
+
   private
 
   def set_empty_collection
diff --git a/app/views/devise/registrations/_social_warn.html.erb b/app/views/devise/registrations/_social_warn.html.erb
new file mode 100644
index 0000000000000000000000000000000000000000..62748b8404ea673ff67599370d5989ec122384d7
--- /dev/null
+++ b/app/views/devise/registrations/_social_warn.html.erb
@@ -0,0 +1,18 @@
+<div class="modal fade" id="social_warn" tabindex="-1" role="dialog" aria-labelledby="social_warn_label">
+  <div class="modal-dialog" role="document">
+    <div class="modal-content">
+      <div class="modal-header">
+        <button type="button" class="close" data-dismiss="modal" aria-label="Fechar"><span aria-hidden="true">&times;</span></button>
+        <h4 class="modal-title" id="social_warn_label"></h4>
+      </div>
+        <div class="modal-body" style="text-align:justify">
+          Para continuar você deve aceitar os termos de uso.
+          <span class="pull-right">
+            <div id="social-modal-continue"></div>
+        </div>
+        <div class="modal-footer">
+          <button type="button" class="btn btn-default" data-dismiss="modal">Fechar</button>
+        </div>
+    </div>
+  </div>
+</div>
diff --git a/app/views/devise/registrations/new.html.erb b/app/views/devise/registrations/new.html.erb
index a6f3f6bb302b76ea7c9f32a9481a0c57376a66f6..dff188206020ea5fe2b8f450143793e8927b85c5 100644
--- a/app/views/devise/registrations/new.html.erb
+++ b/app/views/devise/registrations/new.html.erb
@@ -17,7 +17,10 @@
           <div class="field_with_errors">
             <div class="align-everything">
                 <div class="col-md-4 style-text">Nome:</div><div class="col-md-8"><div class="style-input"><%= f.text_field :name, autofocus: true, required: true, :class =>"style-input"%></div></div>
-                <div class="col-md-4 style-text">Email:</div><div class="col-md-8"><div class="style-input"><%= f.email_field :email, :value => params[:email], required: true, :class =>"style-input"%></div></div>
+                <div class="col-md-4 style-text">Email:</div><div class="col-md-8"><div class="style-input"><%= f.email_field :email, :value => params[:email], required: true, :class =>"style-input email-verify"%>
+                  <i class="fa fa-check email-verified" style="display:none;color:#008000;"></i>
+                  <i class="fa fa-times email-non-verified" style="display:none; color:#FF0000"></i></div>
+                  </div>
                 <div class="col-md-4 style-text">Senha:</div><div class="col-md-8"><div class="style-input"><%= f.password_field :password, autocomplete: "off", :class =>"style-input"%>
                    <% if @minimum_password_length %>
                    <em><p>(<%= @minimum_password_length %> caracteres mínimos)</p></em>
@@ -34,6 +37,18 @@
             <div class="col-md-6">
               <br/><span class="pull-right">Já possui conta?</span><br/>
                 <span class="pull-right"><%= render "devise/shared/links"%></span>
+            <div class='Facebook-button'>
+              <a role="button" title="Facebook" data-toggle="modal" data-target="#social_warn"><i class="fa fa-facebook-official"></i></a>
+              <%= render 'social_warn' %>
+            </div>
+            <div class='Google-button'>
+              <a role="button" title="Google" data-toggle="modal" data-target="#social_warn"><i class="fa fa-google-plus-square"></i></a>
+              <%= render 'social_warn' %>
+            </div>
+            <div class='Twitter-button'>
+              <a role="button" title="Twitter" data-toggle="modal" data-target="#social_warn"><i class="fa fa-twitter-square"></i></a>
+              <%= render 'social_warn' %>
+            </div>
             </div>
             <div class=" col-md-5">
               <br/><span class="pull-right"><%= f.submit "Cadastrar", :class=> "but but-shadow but-rc"%></span><br/>
@@ -45,3 +60,20 @@
   </div>
 </div>
 <% end %>
+
+
+<script type="text/javascript">
+  $('.Facebook-button a').click(function(){
+    $('#social-modal-continue').empty();
+    $('#social-modal-continue').append('<%= link_to "Continuar", user_omniauth_authorize_path(:facebook), class: 'link-setup' %>');
+  });
+  $('.Google-button a').click(function(){
+    $('#social-modal-continue').empty();
+    $('#social-modal-continue').append('<%= link_to "Continuar", user_omniauth_authorize_path(:google_oauth2), class: 'link-setup' %>');
+  });
+  $('.Twitter-button a').click(function(){
+    $('#social-modal-continue').empty();
+    $('#social-modal-continue').append('<%= link_to "Continuar", user_omniauth_authorize_path(:twitter), class: 'link-setup' %>');
+  });
+
+</script>
diff --git a/app/views/devise/shared/_links.html.erb b/app/views/devise/shared/_links.html.erb
index 1d470b08592071eeb164066b38583c8007eb2994..5309f21ffecf9914b6af34d18dbd00a2a8f050ff 100644
--- a/app/views/devise/shared/_links.html.erb
+++ b/app/views/devise/shared/_links.html.erb
@@ -21,9 +21,9 @@
 <%- if devise_mapping.omniauthable? %>
   <%- resource_class.omniauth_providers.each do |provider| %>
     <%- if provider.to_s.titleize == "Google Oauth2" %>
-      <%= link_to "Entre com Google", omniauth_authorize_path(resource_name, provider), {:class=>'add-picture'} %><br />
+      <%#= link_to "Entre com Google", omniauth_authorize_path(resource_name, provider), {:class=>'add-picture'} %><br />
     <%- else %>
-      <%= link_to "Entre com #{provider.to_s.titleize}", omniauth_authorize_path(resource_name, provider), {:class=>'add-picture'} %><br />
+      <%#= link_to "Entre com #{provider.to_s.titleize}", omniauth_authorize_path(resource_name, provider), {:class=>'add-picture'} %><br />
     <% end -%>
   <%- end %>
 <% end -%>
diff --git a/config/routes.rb b/config/routes.rb
index dfa66bc2cdddcd67db69b289aaa3f1b1b05ecec8..5096aeff8a5d36b45677df457388b071fc8cb710 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -112,6 +112,7 @@ Rails.application.routes.draw do
   post '/bookmarks/:type/:id' => 'bookmarks#add_object', as: :bookmark_add
   delete '/bookmarks/:type/:id' => 'bookmarks#remove_object', as: :bookmark_remove
 
+  get '/users/verify_email' => 'users#verify_email', as: :verify_email
   get '/users/list' => 'users#list', as: :list_all_users
   resources :users, only: [:show] do
     member do