diff --git a/VERSION b/VERSION
index 8adc70f..899f24f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.8.0
\ No newline at end of file
+0.9.0
\ No newline at end of file
diff --git a/lib/fb_graph2.rb b/lib/fb_graph2.rb
index 0ede856..82f7c82 100644
--- a/lib/fb_graph2.rb
+++ b/lib/fb_graph2.rb
@@ -8,7 +8,7 @@ module FbGraph2
   mattr_accessor :root_url, :api_version, :gem_version, :logger, :debugging, :_http_config_, :object_classes
 
   self.root_url = 'https://graph.facebook.com'
-  self.api_version = 'v2.4'
+  self.api_version = 'v2.8'
   self.gem_version = File.read(File.join(__dir__, '../VERSION')).strip
   self.logger = Logger.new(STDOUT)
   self.logger.progname = 'FbGraph2'
diff --git a/lib/fb_graph2/app.rb b/lib/fb_graph2/app.rb
index b020096..12156a0 100644
--- a/lib/fb_graph2/app.rb
+++ b/lib/fb_graph2/app.rb
@@ -6,7 +6,6 @@ module FbGraph2
     include Edge::AppEventTypes
     include Edge::Banned
     include Edge::Groups
-    include Edge::OpenGraph::Objects
     include Edge::Permissions
     include Edge::Picture
     include Edge::Roles::AppContext
diff --git a/lib/fb_graph2/edge/applications.rb b/lib/fb_graph2/edge/applications.rb
deleted file mode 100644
index dc6ac23..0000000
--- a/lib/fb_graph2/edge/applications.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-module FbGraph2
-  class Edge
-    module Applications
-      def applications(params = {})
-        apps = self.edge :applications, params, edge_scope: :developer
-        apps.collect! do |app|
-          App.new(app[:id], app).authenticate self.access_token
-        end
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/fb_graph2/edge/open_graph/actions.rb b/lib/fb_graph2/edge/open_graph/actions.rb
deleted file mode 100644
index 7da39a3..0000000
--- a/lib/fb_graph2/edge/open_graph/actions.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-module FbGraph2
-  class Edge
-    module OpenGraph
-      module Actions
-        def og_actions(action_type, params = {})
-          actions = self.edge action_type, params
-          actions.collect! do |action|
-            FbGraph2::OpenGraph::Action.new(action[:id], action).authenticate self.access_token
-          end
-        end
-
-        def og_action!(action_type, params = {})
-          action = self.post params, edge: action_type
-          FbGraph2::OpenGraph::Action.new(action[:id], params.merge(action)).authenticate self.access_token
-        end
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/fb_graph2/edge/open_graph/objects.rb b/lib/fb_graph2/edge/open_graph/objects.rb
deleted file mode 100644
index d9e8684..0000000
--- a/lib/fb_graph2/edge/open_graph/objects.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-module FbGraph2
-  class Edge
-    module OpenGraph
-      module Objects
-        def og_object!(object_type, params = {})
-          object = self.post params, edge: :objects, edge_scope: object_type
-          FbGraph2::OpenGraph::Object.new(object[:id], params.merge(object)).authenticate self.access_token
-        end
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/fb_graph2/event.rb b/lib/fb_graph2/event.rb
index c52108d..9f55e8c 100644
--- a/lib/fb_graph2/event.rb
+++ b/lib/fb_graph2/event.rb
@@ -11,7 +11,7 @@ module FbGraph2
     extend Searchable
 
     register_attributes(
-      raw: [:description, :is_date_only, :location, :name, :privacy, :ticket_uri, :timezone],
+      raw: [:description, :location, :name, :ticket_uri, :timezone],
       time: [:end_time, :start_time, :updated_time],
       page: [:venue],
       profile: [:owner],
diff --git a/lib/fb_graph2/open_graph/action.rb b/lib/fb_graph2/open_graph/action.rb
deleted file mode 100644
index e0a6c5d..0000000
--- a/lib/fb_graph2/open_graph/action.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-module FbGraph2
-  module OpenGraph
-    class Action < Node
-      include Edge::Comments
-      include Edge::Likes::LikeeContext
-
-      register_attributes(
-        raw: [:message, :no_feed_story, :ref, :type],
-        time: [:end_time, :publish_time, :start_time],
-        app: [:application],
-        profile: [:from],
-        custom: [:object]
-      )
-
-      def initialize(id, attributes = {})
-        super
-        if attributes.include?(:data) && attributes[:data].include?(:object)
-          _object_ = attributes[:data][:object]
-          self.object = OpenGraph::Object.new _object_[:id], _object_
-        end
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/fb_graph2/open_graph/object.rb b/lib/fb_graph2/open_graph/object.rb
deleted file mode 100644
index 1417559..0000000
--- a/lib/fb_graph2/open_graph/object.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-module FbGraph2
-  module OpenGraph
-    class Object < Node
-      register_attributes(
-        raw: [:title, :type, :url]
-      )
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/fb_graph2/page.rb b/lib/fb_graph2/page.rb
index a761e4e..2685c5b 100644
--- a/lib/fb_graph2/page.rb
+++ b/lib/fb_graph2/page.rb
@@ -26,9 +26,9 @@ module FbGraph2
       raw: [
         :about, :attire, :band_members, :booking_agent, :can_post, :category, :checkins, :company_overview,
         :current_location, :description, :directed_by, :emails, :founded, :general_info, :general_manager, :global_brand_page_name,
-        :hometown, :hours, :impressum, :is_permanently_closed, :is_published, :is_unclaimed, :likes, :link, :mission, :name,
+        :hometown, :hours, :impressum, :is_permanently_closed, :is_published, :is_unclaimed, :fan_count, :link, :mission, :name,
         :name_with_location_descriptor, :phone, :press_contact, :price_range, :products, :talking_about_count, :username,
-        :website, :were_here_count,
+        :website, :were_here_count, :is_webhooks_subscribed,
         # NOTE: only within /:user_id/accounts context
         :perms
       ],
diff --git a/lib/fb_graph2/post.rb b/lib/fb_graph2/post.rb
index b9a94a7..905ddd4 100644
--- a/lib/fb_graph2/post.rb
+++ b/lib/fb_graph2/post.rb
@@ -24,11 +24,8 @@ module FbGraph2
     def initialize(id, attributes = {})
       super
       if attributes.include? :message_tags
-        self.message_tags = attributes[:message_tags].inject({}) do |message_tags, (key, values)|
-          _message_tags_ = values.collect do |value|
-            TaggedProfile.new value[:id], value
-          end
-          message_tags.merge! key => _message_tags_
+        self.message_tags = attributes[:message_tags].collect do |message_tag|
+          TaggedProfile.new message_tag[:id], message_tag
         end
       end
       if attributes.include? :privacy
diff --git a/lib/fb_graph2/user.rb b/lib/fb_graph2/user.rb
index 3fc0abf..364cd10 100644
--- a/lib/fb_graph2/user.rb
+++ b/lib/fb_graph2/user.rb
@@ -4,7 +4,6 @@ module FbGraph2
     include Edge::Achievements
     include Edge::Activities
     include Edge::Albums
-    include Edge::Applications
     include Edge::AppRequests
     include Edge::Books
     include Edge::Domains
@@ -36,7 +35,7 @@ module FbGraph2
 
     register_attributes(
       raw: [
-        :about, :bio, :email, :first_name, :gender, :install_type, :installed, :interested_in, :is_eligible_promo,
+        :about, :email, :first_name, :gender, :install_type, :installed, :interested_in, :is_eligible_promo,
         :is_shared_login, :is_verified, :last_name, :link, :locale, :meeting_for, :middle_name, :name, :name_format,
         :political, :quotes, :relationship_status, :religion, :test_group, :third_party_id, :timezone, :token_for_business,
         :verified, :viewer_can_send_gift, :website,
@@ -66,7 +65,6 @@ module FbGraph2
         :tagging_user
       ],
       photo: [:cover],
-      location: [:address],
       custom: [
         :age_range, :context, :currency, :devices, :education, :payment_mobile_pricepoints, :payment_pricepoints,
         :security_settings, :suggested_groups, :video_upload_limits, :work
diff --git a/spec/fb_graph2/edge/applications_spec.rb b/spec/fb_graph2/edge/applications_spec.rb
deleted file mode 100644
index e503e72..0000000
--- a/spec/fb_graph2/edge/applications_spec.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-require 'spec_helper'
-
-describe FbGraph2::Edge::Applications do
-  context 'included in User' do
-    let(:me) { FbGraph2::User.me('token') }
-
-    describe '#applications' do
-      it 'should return an Array of FbGraph2::App' do
-        apps = mock_graph :get, 'me/applications/developer', 'user/applications', access_token: 'token' do
-          me.applications
-        end
-        apps.should be_instance_of FbGraph2::Edge
-        apps.should_not be_blank
-        apps.each do |app|
-          app.should be_instance_of FbGraph2::App
-        end
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/spec/fb_graph2_spec.rb b/spec/fb_graph2_spec.rb
index f77334d..0557f38 100644
--- a/spec/fb_graph2_spec.rb
+++ b/spec/fb_graph2_spec.rb
@@ -6,7 +6,7 @@ describe FbGraph2 do
 
   context 'as default' do
     its(:logger) { should be_a Logger }
-    its(:api_version) { should == 'v2.4' }
+    its(:api_version) { should == 'v2.8' }
     its(:root_url) { should == 'https://graph.facebook.com' }
     it { should_not be_debugging }
   end
diff --git a/spec/mock_json/page/promotable_posts.json b/spec/mock_json/page/promotable_posts.json
index f59891c..8e9a251 100644
--- a/spec/mock_json/page/promotable_posts.json
+++ b/spec/mock_json/page/promotable_posts.json
@@ -7,15 +7,13 @@
       "id": "140478125968442"
     },
     "story": "OAuth.jp shared a link.",
-    "story_tags": {
-      "0": [{
+    "story_tags": [{
         "id": "140478125968442",
         "name": "OAuth.jp",
         "offset": 0,
         "length": 8,
         "type": "page"
-      }]
-    },
+      }],
     "link": "http://oauth.jp/blog/2014/05/09/what-happens-when-oauth2-code-leaked/",
     "name": "OAuth 2.0 の code は漏れても大丈夫ってホント!? - OAuth.jp",
     "caption": "oauth.jp",
diff --git a/spec/mock_json/post/shared_posts.json b/spec/mock_json/post/shared_posts.json
index d57a286..88dd0ea 100644
--- a/spec/mock_json/post/shared_posts.json
+++ b/spec/mock_json/post/shared_posts.json
@@ -6,15 +6,13 @@
       "name": "Shunya Iriki"
     },
     "story": "Shunya Iriki shared a link.",
-    "story_tags": {
-      "0": [{
+    "story_tags": [{
         "id": "689134294485152",
         "name": "Shunya Iriki",
         "offset": 0,
         "length": 12,
         "type": "user"
-      }]
-    },
+      }],
     "picture": "https://fbexternal-a.akamaihd.net/safe_image.php?d=AQCtEdPdezKIoUxo&w=154&h=154&url=http%3A%2F%2Fi.yimg.jp%2Fi%2Fdocs%2Frelease%2Ffbicon.jpg",
     "link": "http://docs.yahoo.co.jp/docs/info/terms/chapter1.html#cf2nd",
     "name": "ヤフー株式会社 - サービス利用規約 第1編 基本ガイドライン",
diff --git a/spec/mock_json/user/applications.json b/spec/mock_json/user/applications.json
deleted file mode 100644
index f90d2ae..0000000
--- a/spec/mock_json/user/applications.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "data": [{
-    "name": "gem sample",
-    "namespace": "gem-sample",
-    "id": "210798282372757"
-  }, {
-    "name": "Localhost",
-    "id": "158245434257042"
-  }, {
-    "name": "OAuth.jp",
-    "id": "126213067419995"
-  }],
-  "paging": {
-    "next": "https://graph.facebook.com/v2.1/579612276/applications?type=developer&limit=25&offset=25&__after_id=***"
-  }
-}
diff --git a/spec/mock_json/user/feed.json b/spec/mock_json/user/feed.json
index 890e928..c66f1a0 100644
--- a/spec/mock_json/user/feed.json
+++ b/spec/mock_json/user/feed.json
@@ -6,15 +6,13 @@
       "name": "Nov Matake"
     },
     "story": "Nov Matake likes a photo.",
-    "story_tags": {
-      "0": [{
+    "story_tags": [{
         "id": "579612276",
         "name": "Nov Matake",
         "offset": 0,
         "length": 10,
         "type": "user"
-      }]
-    },
+      }],
     "privacy": {
       "value": ""
     },
@@ -29,22 +27,20 @@
     },
     "message": "ビッグデータとひわいっち",
     "story": "Nov Matake shared Keisuke Hiwatashi's photo.",
-    "story_tags": {
-      "0": [{
+    "story_tags": [{
         "id": "579612276",
         "name": "Nov Matake",
         "offset": 0,
         "length": 10,
         "type": "user"
-      }],
-      "18": [{
+      },
+      {
         "id": "674146975973023",
         "name": "Keisuke Hiwatashi",
         "offset": 18,
         "length": 17,
         "type": "user"
-      }]
-    },
+      }],
     "picture": "https://fbcdn-photos-h-a.akamaihd.net/hphotos-ak-xfp1/t1.0-0/10325169_677983408922713_1895639973177548237_s.jpg",
     "link": "https://www.facebook.com/photo.php?fbid=677983408922713&set=a.150687431652316.43478.100001331809083&type=1",
     "name": "Mobile Uploads",
@@ -87,15 +83,13 @@
       "name": "Nov Matake"
     },
     "story": "Nov Matake shared a link.",
-    "story_tags": {
-      "0": [{
+    "story_tags": [{
         "id": "579612276",
         "name": "Nov Matake",
         "offset": 0,
         "length": 10,
         "type": "user"
-      }]
-    },
+      }],
     "picture": "https://fbexternal-a.akamaihd.net/safe_image.php?d=AQAcHDji1ec2KqYZ&w=154&h=154&url=http%3A%2F%2Fua.nakanohito.jp%2Fua%2F%3Ffrom%3Duamb%26id%3D7932754%26mode%3Ddefault%26h%3D55529355%26rand%3Dnoscript%26guid%3DON%26url%3Dhttp%3A%2F%2Fkirik.tea-nifty.com%2Fdiary%2F2014%2F05%2Fivs-ed80.html%26eflg%3D1",
     "link": "http://ow.ly/xoEJp",
     "name": "IVS札幌でセクハラ・レイプ未遂騒ぎが勃発＆インサイダー情報が乱舞: やまもといちろうBLOG（ブログ）",
@@ -152,22 +146,20 @@
     },
     "message": "じわじわくる",
     "story": "Nov Matake shared Yoichi Hagiwara's photo.",
-    "story_tags": {
-      "0": [{
+    "story_tags": [{
         "id": "579612276",
         "name": "Nov Matake",
         "offset": 0,
         "length": 10,
         "type": "user"
-      }],
-      "18": [{
+      },
+      {
         "id": "636860593058872",
         "name": "Yoichi Hagiwara",
         "offset": 18,
         "length": 15,
         "type": "user"
-      }]
-    },
+      }],
     "picture": "https://fbcdn-photos-b-a.akamaihd.net/hphotos-ak-xfp1/t1.0-0/10410479_636298869781711_8967036710690476822_s.jpg",
     "link": "https://www.facebook.com/photo.php?fbid=636298869781711&set=a.168178316593771.41312.100002048127511&type=1",
     "name": "Timeline Photos",
@@ -209,15 +201,13 @@
       "name": "Nov Matake"
     },
     "story": "Nov Matake shared a link.",
-    "story_tags": {
-      "0": [{
+    "story_tags": [{
         "id": "579612276",
         "name": "Nov Matake",
         "offset": 0,
         "length": 10,
         "type": "user"
-      }]
-    },
+      }],
     "picture": "https://fbexternal-a.akamaihd.net/safe_image.php?d=AQDQyx3PnnIPoGqZ&w=154&h=154&url=http%3A%2F%2Fc002.ocn.ne.jp%2Fimg%2Flogo_nttcommunications_001.gif",
     "link": "http://mypage.ocn.ne.jp/sorry/index.html",
     "name": "お詫び | マイページ",
diff --git a/spec/mock_json/user/me.json b/spec/mock_json/user/me.json
index a676d55..37677a6 100644
--- a/spec/mock_json/user/me.json
+++ b/spec/mock_json/user/me.json
@@ -1,6 +1,6 @@
 {
   "id": "10152411392127277",
-  "bio": "Ruby/Rails developer, developing several gems like fb_graph, rack-oauth2, paypal-express, openid_connect, activitystreams etc.",
+  "about": "Ruby/Rails developer, developing several gems like fb_graph, rack-oauth2, paypal-express, openid_connect, activitystreams etc.",
   "birthday": "12/13/1981",
   "education": [{
     "classes": [{
diff --git a/spec/mock_json/user/og_actions_likes.json b/spec/mock_json/user/og_actions_likes.json
deleted file mode 100644
index ddc1d3d..0000000
--- a/spec/mock_json/user/og_actions_likes.json
+++ /dev/null
@@ -1,49 +0,0 @@
-{
-  "data": [
-    {
-      "application": {
-        "name": "Test Application",
-        "namespace": "testapp",
-        "id": "495624957249579"
-      },
-      "comments": {
-        "data": [
-        ],
-        "can_comment": true,
-        "comment_order": "chronological",
-        "count": 0
-      },
-      "from": {
-        "id": "0815",
-        "name": "John Doe"
-      },
-      "likes": {
-        "data": [
-        ],
-        "can_like": true,
-        "count": 0,
-        "user_likes": false
-      },
-      "no_feed_story": false,
-      "publish_time": "2015-04-06T11:53:54+0000",
-      "ref": ".hDGIIZ34.like",
-      "start_time": "2015-04-06T11:53:54+0000",
-      "type": "og.likes",
-      "data": {
-        "object": {
-          "id": "2893972379237",
-          "title": "The awesome test site",
-          "type": "website",
-          "url": "http://example.com"
-        }
-      },
-      "id": "4953745973459"
-    }
-  ],
-  "paging": {
-    "cursors": {
-      "before": "MTAzsdfsdfzU2OTM5NDYyNQ==",
-      "after": "NDk2Mz3453czNDergczNzIzNjQw"
-    }
-  }
-}
diff --git a/spec/mock_json/user/posts.json b/spec/mock_json/user/posts.json
index 69f84b7..c995fe4 100644
--- a/spec/mock_json/user/posts.json
+++ b/spec/mock_json/user/posts.json
@@ -12,15 +12,13 @@
       }]
     },
     "message": "Nov Matake test",
-    "message_tags": {
-      "0": [{
+    "message_tags": [{
         "id": "579612276",
         "name": "Nov Matake",
         "type": "user",
         "offset": 0,
         "length": 10
-      }]
-    },
+      }],
     "actions": [{
       "name": "Comment",
       "link": "https://www.facebook.com/579612276/posts/10152483324277277"