diff --git a/Changelog.md b/Changelog.md
index baf62dbf2..314b0fab7 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -23,6 +23,7 @@
 
 ## Bug Fixes
 
+* Fix posting to Facebook and Tumblr. Have a look at the updated [services guide](https://github.com/diaspora/diaspora/wiki/Howto-setup-services) for new Facebook instructions.
 * Fix overflow button in mobile reset password. [#3697](https://github.com/diaspora/diaspora/pull/3697)
 * Fix issue with interacted_at in post fetcher. [#3607](https://github.com/diaspora/diaspora/pull/3607)
 * Fix error with show post Community Spotlight. [#3658](https://github.com/diaspora/diaspora/pull/3658)
@@ -31,6 +32,7 @@
 * Fix javascripts error in invitations facebox. [#3638](https://github.com/diaspora/diaspora/pull/3638)
 * Fix css overflow problem in aspect dropdown on welcome page. [#3637](https://github.com/diaspora/diaspora/pull/3637)
 * Fix empty page after authenticating with other services. [#3693](https://github.com/diaspora/diaspora/pull/3693)
+* Fix posting public posts to Facebook. [#2882](https://github.com/diaspora/diaspora/issues/2882), [#3650](https://github.com/diaspora/diaspora/issues/3650)
 
 # 0.0.1.2
 
diff --git a/Gemfile b/Gemfile
index c37e2d619..1533a9fe0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,11 +21,11 @@ gem 'devise', '2.1.2'
 gem 'remotipart', '1.0.2'
 
 gem 'omniauth', '1.1.1'
-gem 'omniauth-facebook', '1.3.0'
+gem 'omniauth-facebook', '1.4.1'
 gem 'omniauth-tumblr', '1.1'
-gem 'omniauth-twitter', '0.0.11'
+gem 'omniauth-twitter', '0.0.13'
 
-gem 'twitter', '2.0.2'
+gem 'twitter', '4.1.1'
 
 # mail
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 8b5617508..07addabc7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -184,7 +184,7 @@ GEM
     highline (1.6.12)
     hike (1.2.1)
     http_accept_language (1.0.2)
-    httpauth (0.1)
+    httpauth (0.2.0)
     i18n (0.6.1)
     i18n-inflector (2.6.6)
       i18n (>= 0.4.1)
@@ -207,6 +207,8 @@ GEM
       railties (>= 3.1.0)
     jruby-pageant (1.1.1)
     json (1.7.5)
+    jwt (0.1.5)
+      multi_json (>= 1.0)
     kaminari (0.14.1)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
@@ -240,25 +242,27 @@ GEM
     net-ssh-gateway (1.1.0)
       net-ssh (>= 1.99.1)
     nokogiri (1.5.5)
-    oauth (0.4.6)
-    oauth2 (0.6.1)
-      faraday (~> 0.7)
+    oauth (0.4.7)
+    oauth2 (0.8.0)
+      faraday (~> 0.8)
       httpauth (~> 0.1)
-      multi_json (~> 1.3)
+      jwt (~> 0.1.4)
+      multi_json (~> 1.0)
+      rack (~> 1.2)
     omniauth (1.1.1)
       hashie (~> 1.2)
       rack
-    omniauth-facebook (1.3.0)
-      omniauth-oauth2 (~> 1.0.2)
+    omniauth-facebook (1.4.1)
+      omniauth-oauth2 (~> 1.1.0)
     omniauth-oauth (1.0.1)
       oauth
       omniauth (~> 1.0)
-    omniauth-oauth2 (1.0.2)
-      oauth2 (~> 0.6.0)
+    omniauth-oauth2 (1.1.1)
+      oauth2 (~> 0.8.0)
       omniauth (~> 1.0)
     omniauth-tumblr (1.1)
       omniauth-oauth (~> 1.0)
-    omniauth-twitter (0.0.11)
+    omniauth-twitter (0.0.13)
       multi_json (~> 1.3)
       omniauth-oauth (~> 1.0)
     orm_adapter (0.4.0)
@@ -361,7 +365,7 @@ GEM
       libwebsocket (~> 0.1.3)
       multi_json (~> 1.0)
       rubyzip
-    simple_oauth (0.1.8)
+    simple_oauth (0.1.9)
     sinatra (1.3.3)
       rack (~> 1.3, >= 1.3.6)
       rack-protection (~> 1.2)
@@ -378,11 +382,10 @@ GEM
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)
-    twitter (2.0.2)
-      activesupport (>= 2.3.9, < 4)
-      faraday (~> 0.7)
-      multi_json (~> 1.0)
-      simple_oauth (~> 0.1)
+    twitter (4.1.1)
+      faraday (~> 0.8)
+      multi_json (~> 1.3)
+      simple_oauth (~> 0.1.6)
     typhoeus (0.3.3)
       mime-types
     tzinfo (0.3.33)
@@ -452,9 +455,9 @@ DEPENDENCIES
   mysql2 (= 0.3.11)
   nokogiri (= 1.5.5)
   omniauth (= 1.1.1)
-  omniauth-facebook (= 1.3.0)
+  omniauth-facebook (= 1.4.1)
   omniauth-tumblr (= 1.1)
-  omniauth-twitter (= 0.0.11)
+  omniauth-twitter (= 0.0.13)
   rack-cors (= 0.2.7)
   rack-google-analytics (= 0.11.0)
   rack-piwik (= 0.1.3)
@@ -476,7 +479,7 @@ DEPENDENCIES
   selenium-webdriver (= 2.25.0)
   spork (= 1.0.0rc3)
   timecop (= 0.5.1)
-  twitter (= 2.0.2)
+  twitter (= 4.1.1)
   typhoeus (= 0.3.3)
   uglifier (= 1.3.0)
   unicorn (= 4.3.1)
diff --git a/app/models/services/facebook.rb b/app/models/services/facebook.rb
index 39d2b1086..45ee65817 100644
--- a/app/models/services/facebook.rb
+++ b/app/models/services/facebook.rb
@@ -11,21 +11,13 @@ class Services::Facebook < Service
 
   def post(post, url='')
     Rails.logger.debug("event=post_to_service type=facebook sender_id=#{self.user_id}")
-    if post.public?
-      post_to_facebook("https://graph.facebook.com/me/joindiaspora:make", create_open_graph_params(post).to_param)
-    else
-      post_to_facebook("https://graph.facebook.com/me/feed", create_post_params(post).to_param)
-    end
+    post_to_facebook("https://graph.facebook.com/me/feed", create_post_params(post).to_param)
   end
 
   def post_to_facebook(url, body)
     Faraday.post(url, body)
   end
 
-  def create_open_graph_params(post)
-    {:post => "#{AppConfig.pod_uri.to_s}#{short_post_path(post)}", :access_token => self.access_token}
-  end
-
   def create_post_params(post)
     message = post.text(:plain_text => true)
     {:message => message, :access_token => self.access_token, :link => URI.extract(message, ['https', 'http']).first}
diff --git a/app/models/services/tumblr.rb b/app/models/services/tumblr.rb
index ab964b6ea..203d1a349 100644
--- a/app/models/services/tumblr.rb
+++ b/app/models/services/tumblr.rb
@@ -17,28 +17,28 @@ class Services::Tumblr < Service
   end
 
   def post(post, url='')
-
-    consumer = OAuth::Consumer.new(consumer_key, consumer_secret, :site => 'http://tumblr.com')
+    consumer = OAuth::Consumer.new(consumer_key, consumer_secret, :site => 'http://api.tumblr.com')
     access = OAuth::AccessToken.new(consumer, self.access_token, self.access_secret)
+    
     body = build_tumblr_post(post, url)
-    begin
-      resp = access.post('http://tumblr.com/api/write', body)
-      resp
-    rescue => e
-      nil
+    user_info = JSON.parse(access.get("/v2/user/info").body)
+    blogs = user_info["response"]["user"]["blogs"].map { |blog| URI.parse(blog['url']) }
+    blogs.each do |blog|
+      access.post("/v2/blog/#{blog.host}/post", body)
     end
   end
 
   def build_tumblr_post(post, url)
-    {:generator => 'diaspora', :type => 'regular', :body => tumblr_template(post, url)}
+    { :type => 'text', :format => "markdown", :body => tumblr_template(post, url)  }
   end
 
   def tumblr_template(post, url)
     html = ''
     post.photos.each do |photo|
-      html += "<img src='#{photo.url(:scaled_full)}'/><br>"
+      html += "![photo](#{photo.url(:scaled_full)})\n\n"
     end
-    html += auto_link(post.text, :link => :urls)
+    html += post.text
+    html += "\n\n[original post](#{url})"
   end
 end
 
diff --git a/app/models/services/twitter.rb b/app/models/services/twitter.rb
index a4730b6e8..37e931d31 100644
--- a/app/models/services/twitter.rb
+++ b/app/models/services/twitter.rb
@@ -12,9 +12,7 @@ class Services::Twitter < Service
     Rails.logger.debug("event=post_to_service type=twitter sender_id=#{self.user_id}")
     message = public_message(post, url)
 
-    configure_twitter
-
-    Twitter.update(message)
+    client.update(message)
   end
 
 
@@ -28,25 +26,14 @@ class Services::Twitter < Service
   end
 
   def profile_photo_url
-    configure_twitter
-
-    Twitter.profile_image(nickname, :size => "original")
+    client.user(nickname).profile_image_url_https("original")
   end
 
   private
-  def configure_twitter
-    twitter_key = AppConfig.services.twitter.key
-    twitter_consumer_secret = AppConfig.services.twitter.secret
-
-    if twitter_key.blank? || twitter_consumer_secret.blank?
-      Rails.logger.info "you have a blank twitter key or secret.... you should look into that"
-    end
-
-    Twitter.configure do |config|
-      config.consumer_key = twitter_key
-      config.consumer_secret = twitter_consumer_secret
-      config.oauth_token = self.access_token
-      config.oauth_token_secret = self.access_secret
-    end
+  def client
+    @client ||= Twitter::Client.new(
+      oauth_token: self.access_token,
+      oauth_token_secret: self.access_secret
+    )
   end
 end
diff --git a/config/defaults.yml b/config/defaults.yml
index fffeeb1a9..169edaa7e 100644
--- a/config/defaults.yml
+++ b/config/defaults.yml
@@ -56,7 +56,6 @@ defaults:
       enable: false
       app_id:
       secret:
-      open_graph_namespace: 'joindiaspora'
     twitter:
       enable: false
       key:
diff --git a/config/diaspora.yml.example b/config/diaspora.yml.example
index b9b241c5e..1932a7a6e 100644
--- a/config/diaspora.yml.example
+++ b/config/diaspora.yml.example
@@ -252,9 +252,6 @@ configuration: ## Section
       #enable: true
       #app_id: 'abcdef'
       #secret: 'changeme'
-      ## this will be the namespace for your object,
-      ## it should be configured in your FB app
-      #open_graph_namespace: 
     
     ## OAuth credentials for Twitter:
     twitter: ## Section
diff --git a/config/initializers/omniauth.rb b/config/initializers/omniauth.rb
index 32e390b5b..e96b8c9ed 100644
--- a/config/initializers/omniauth.rb
+++ b/config/initializers/omniauth.rb
@@ -5,10 +5,16 @@
 Rails.application.config.middleware.use OmniAuth::Builder do
   if AppConfig.services.twitter.enable?
     provider :twitter, AppConfig.services.twitter.key, AppConfig.services.twitter.secret
+    Twitter.configure do |config|
+      config.consumer_key = AppConfig.services.twitter.key
+      config.consumer_secret = AppConfig.services.twitter.secret
+    end
   end
+  
   if AppConfig.services.tumblr.enable?
     provider :tumblr, AppConfig.services.tumblr.key, AppConfig.services.tumblr.secret
   end
+  
   if AppConfig.services.facebook.enable?
     provider :facebook, AppConfig.services.facebook.app_id, AppConfig.services.facebook.secret,
              { :display => "popup", :scope => "publish_actions,publish_stream,offline_access",
diff --git a/spec/models/services/facebook_spec.rb b/spec/models/services/facebook_spec.rb
index 792c4df96..f401b83a5 100644
--- a/spec/models/services/facebook_spec.rb
+++ b/spec/models/services/facebook_spec.rb
@@ -11,7 +11,7 @@ describe Services::Facebook do
 
   describe '#post' do
     it 'posts a status message to facebook' do
-      stub_request(:post, "https://graph.facebook.com/me/joindiaspora:make").
+      stub_request(:post, "https://graph.facebook.com/me/feed").
           to_return(:status => 200, :body => "", :headers => {})
       @service.post(@post)
     end
@@ -19,13 +19,13 @@ describe Services::Facebook do
     it 'swallows exception raised by facebook always being down' do
       pending "temporarily disabled to figure out while some requests are failing"
       
-      stub_request(:post,"https://graph.facebook.com/me/joindiaspora:make").
+      stub_request(:post,"https://graph.facebook.com/me/feed").
         to_raise(StandardError)
       @service.post(@post)
     end
 
     it 'should call public message' do
-      stub_request(:post, "https://graph.facebook.com/me/joindiaspora:make").
+      stub_request(:post, "https://graph.facebook.com/me/feed").
         to_return(:status => 200)
       url = "foo"
       @service.should_not_receive(:public_message)
diff --git a/spec/models/services/tumblr_spec.rb b/spec/models/services/tumblr_spec.rb
index 86f57e56d..83d2ad78e 100644
--- a/spec/models/services/tumblr_spec.rb
+++ b/spec/models/services/tumblr_spec.rb
@@ -11,14 +11,12 @@ describe Services::Tumblr do
 
   describe '#post' do
     it 'posts a status message to tumblr' do
+      response = mock
+      response.stub(:body).and_return('{"response": {"user": {"blogs": [{"url": "http://foo.tumblr.com"}]}}}')
+      OAuth::AccessToken.any_instance.should_receive(:get).with("/v2/user/info").and_return(response)
       OAuth::AccessToken.any_instance.should_receive(:post)
       @service.post(@post)
     end
-
-    it 'swallows exception raised by tumblr not being webscale' do
-      OAuth::AccessToken.any_instance.should_receive(:post).and_raise(StandardError)
-      @service.post(@post)
-    end
   end
 end
 
diff --git a/spec/models/services/twitter_spec.rb b/spec/models/services/twitter_spec.rb
index 988656db9..ccc2e154a 100644
--- a/spec/models/services/twitter_spec.rb
+++ b/spec/models/services/twitter_spec.rb
@@ -11,18 +11,18 @@ describe Services::Twitter do
 
   describe '#post' do
     it 'posts a status message to twitter' do
-      Twitter.should_receive(:update).with(instance_of(String))
+      Twitter::Client.any_instance.should_receive(:update).with(instance_of(String))
       @service.post(@post)
     end
 
      it 'swallows exception raised by twitter always being down' do
       pending
-      Twitter.should_receive(:update).and_raise(StandardError)
+      Twitter::Client.any_instance.should_receive(:update).and_raise(StandardError)
       @service.post(@post)
     end
 
     it 'should call public message' do
-      Twitter.stub!(:update)
+      Twitter::Client.any_instance.stub(:update)
       url = "foo"
       @service.should_receive(:public_message).with(@post, url)
       @service.post(@post, url)
@@ -74,12 +74,12 @@ describe Services::Twitter do
   end
   describe "#profile_photo_url" do
     it 'returns the original profile photo url' do
-      stub_request(:get, "https://api.twitter.com/1/users/profile_image/joindiaspora?size=original").
-        to_return(:status => 302, :body => "", :headers => {:location => "http://a2.twimg.com/profile_images/uid/avatar.png"})
+      user_stub = stub
+      user_stub.should_receive(:profile_image_url_https).with("original").and_return("http://a2.twimg.com/profile_images/uid/avatar.png")
+      Twitter::Client.any_instance.should_receive(:user).with("joindiaspora").and_return(user_stub)
 
       @service.nickname = "joindiaspora"
-      @service.profile_photo_url.should == 
-      "http://a2.twimg.com/profile_images/uid/avatar.png"
+      @service.profile_photo_url.should == "http://a2.twimg.com/profile_images/uid/avatar.png"
     end
   end
 end