diff --git a/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/CommentDao.java b/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/CommentDao.java
index c7108661..23ad1b46 100644
--- a/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/CommentDao.java
+++ b/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/CommentDao.java
@@ -90,7 +90,7 @@ public class CommentDao {
      */
     public List<CommentDto> getByDocumentId(String documentId) {
         EntityManager em = ThreadLocalContext.get().getEntityManager();
-        StringBuilder sb = new StringBuilder("select c.COM_ID_C, c.COM_CONTENT_C, c.COM_CREATEDATE_D, u.USE_USERNAME_C from T_COMMENT c, T_USER u");
+        StringBuilder sb = new StringBuilder("select c.COM_ID_C, c.COM_CONTENT_C, c.COM_CREATEDATE_D, u.USE_USERNAME_C, u.USE_EMAIL_C from T_COMMENT c, T_USER u");
         sb.append(" where c.COM_IDDOC_C = :documentId and c.COM_IDUSER_C = u.USE_ID_C and c.COM_DELETEDATE_D is null ");
         sb.append(" order by c.COM_CREATEDATE_D asc ");
         Query q = em.createNativeQuery(sb.toString());
@@ -106,6 +106,7 @@ public class CommentDao {
             commentDto.setContent((String) o[i++]);
             commentDto.setCreateTimestamp(((Timestamp) o[i++]).getTime());
             commentDto.setCreatorName((String) o[i++]);
+            commentDto.setCreatorEmail((String) o[i++]);
             commentDtoList.add(commentDto);
         }
         return commentDtoList;
diff --git a/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/DocumentDao.java b/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/DocumentDao.java
index 6c47b2b2..49a70b4c 100644
--- a/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/DocumentDao.java
+++ b/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/DocumentDao.java
@@ -224,7 +224,7 @@ public class DocumentDao {
         if (criteria.getTagIdList() != null && !criteria.getTagIdList().isEmpty()) {
             int index = 0;
             for (String tagId : criteria.getTagIdList()) {
-                sb.append(" join T_DOCUMENT_TAG dt" + index + " on dt" + index + ".DOT_IDDOCUMENT_C = d.DOC_ID_C and dt" + index + ".DOT_IDTAG_C = :tagId" + index + " ");
+                sb.append(" join T_DOCUMENT_TAG dt" + index + " on dt" + index + ".DOT_IDDOCUMENT_C = d.DOC_ID_C and dt" + index + ".DOT_IDTAG_C = :tagId" + index + " and dt" + index + ".DOT_DELETEDATE_D is null ");
                 parameterMap.put("tagId" + index, tagId);
                 index++;
             }
diff --git a/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/dto/CommentDto.java b/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/dto/CommentDto.java
index 446fad8e..1f2e6d41 100644
--- a/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/dto/CommentDto.java
+++ b/docs-core/src/main/java/com/sismics/docs/core/dao/jpa/dto/CommentDto.java
@@ -19,6 +19,11 @@ public class CommentDto {
      */
     private String creatorName;
     
+    /**
+     * Creator email.
+     */
+    private String creatorEmail;
+    
     /**
      * Content.
      */
@@ -44,6 +49,14 @@ public class CommentDto {
     public void setCreatorName(String creatorName) {
         this.creatorName = creatorName;
     }
+    
+    public String getCreatorEmail() {
+        return creatorEmail;
+    }
+
+    public void setCreatorEmail(String creatorEmail) {
+        this.creatorEmail = creatorEmail;
+    }
 
     public String getContent() {
         return content;
diff --git a/docs-core/src/main/java/com/sismics/util/ImageUtil.java b/docs-core/src/main/java/com/sismics/util/ImageUtil.java
index 001ba76b..40e163fd 100644
--- a/docs-core/src/main/java/com/sismics/util/ImageUtil.java
+++ b/docs-core/src/main/java/com/sismics/util/ImageUtil.java
@@ -11,6 +11,8 @@ import javax.imageio.ImageWriteParam;
 import javax.imageio.ImageWriter;
 import javax.imageio.stream.ImageOutputStream;
 
+import com.google.common.base.Charsets;
+import com.google.common.hash.Hashing;
 import com.sismics.util.mime.MimeType;
 
 /**
@@ -62,4 +64,21 @@ public class ImageUtil {
     public static boolean isImage(String mimeType) {
         return mimeType.equals(MimeType.IMAGE_GIF) || mimeType.equals(MimeType.IMAGE_PNG) || mimeType.equals(MimeType.IMAGE_JPEG);
     }
+    
+    /**
+     * Compute Gravatar hash.
+     * See https://en.gravatar.com/site/implement/hash/.
+     * 
+     * @param email
+     * @return Gravatar hash
+     */
+    public static String computeGravatar(String email) {
+        if (email == null) {
+            return null;
+        }
+        
+        return Hashing.md5().hashString(
+                email.trim().toLowerCase(), Charsets.UTF_8)
+                .toString();
+    }
 }
diff --git a/docs-core/src/test/java/com/sismics/util/TestImageUtil.java b/docs-core/src/test/java/com/sismics/util/TestImageUtil.java
new file mode 100644
index 00000000..d6c62703
--- /dev/null
+++ b/docs-core/src/test/java/com/sismics/util/TestImageUtil.java
@@ -0,0 +1,17 @@
+package com.sismics.util;
+
+import junit.framework.Assert;
+import org.junit.Test;
+
+/**
+ * Test of the image utilities.
+ * 
+ * @author bgamard
+ */
+public class TestImageUtil {
+
+    @Test
+    public void computeGravatarTest() throws Exception {
+        Assert.assertEquals("0bc83cb571cd1c50ba6f3e8a78ef1346", ImageUtil.computeGravatar("MyEmailAddress@example.com "));
+    }
+}
diff --git a/docs-parent/pom.xml b/docs-parent/pom.xml
index 895168e5..8015a475 100644
--- a/docs-parent/pom.xml
+++ b/docs-parent/pom.xml
@@ -32,7 +32,7 @@
     <org.imgscalr.imgscalr-lib.version>4.2</org.imgscalr.imgscalr-lib.version>
     <org.apache.pdfbox.pdfbox.version>2.0.0-RC1</org.apache.pdfbox.pdfbox.version>
     <org.bouncycastle.bcprov-jdk15on.version>1.53</org.bouncycastle.bcprov-jdk15on.version>
-    <joda-time.joda-time.version>2.9</joda-time.joda-time.version>
+    <joda-time.joda-time.version>2.9.1</joda-time.joda-time.version>
     <org.hibernate.hibernate.version>4.1.0.Final</org.hibernate.hibernate.version>
     <javax.servlet.javax.servlet-api.version>3.1.0</javax.servlet.javax.servlet-api.version>
     <com.levigo.jbig2.levigo-jbig2-imageio.version>1.6.3</com.levigo.jbig2.levigo-jbig2-imageio.version>
diff --git a/docs-web-common/src/main/java/com/sismics/util/filter/TokenBasedSecurityFilter.java b/docs-web-common/src/main/java/com/sismics/util/filter/TokenBasedSecurityFilter.java
index 037cc94c..2e65cc9a 100644
--- a/docs-web-common/src/main/java/com/sismics/util/filter/TokenBasedSecurityFilter.java
+++ b/docs-web-common/src/main/java/com/sismics/util/filter/TokenBasedSecurityFilter.java
@@ -158,6 +158,9 @@ public class TokenBasedSecurityFilter implements Filter {
         Set<String> baseFunctionSet = userBaseFuction.findByRoleId(user.getRoleId());
         userPrincipal.setBaseFunctionSet(baseFunctionSet);
         
+        // Add email
+        userPrincipal.setEmail(user.getEmail());
+        
         request.setAttribute(PRINCIPAL_ATTRIBUTE, userPrincipal);
     }
 
diff --git a/docs-web/pom.xml b/docs-web/pom.xml
index 5fee5f2a..29016e40 100644
--- a/docs-web/pom.xml
+++ b/docs-web/pom.xml
@@ -219,7 +219,6 @@
               </systemProperties>
               <webApp>
                 <contextPath>/docs-web</contextPath>
-                <overrideDescriptor>src/dev/main/webapp/web-override.xml</overrideDescriptor>
               </webApp>
             </configuration>
           </plugin>
diff --git a/docs-web/src/dev/main/webapp/web-override.xml b/docs-web/src/dev/main/webapp/web-override.xml
index ea56b8c9..1dea0dae 100644
--- a/docs-web/src/dev/main/webapp/web-override.xml
+++ b/docs-web/src/dev/main/webapp/web-override.xml
@@ -3,7 +3,8 @@
   xmlns="http://java.sun.com/xml/ns/javaee"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
-  version="3.0"> 
+  version="3.0"
+  metadata-complete="true"> 
 
   <!-- Override init parameter to avoid nasty file locking issue on windows. -->
   <servlet>
diff --git a/docs-web/src/main/java/com/sismics/docs/rest/resource/CommentResource.java b/docs-web/src/main/java/com/sismics/docs/rest/resource/CommentResource.java
index 54d393af..a940e989 100644
--- a/docs-web/src/main/java/com/sismics/docs/rest/resource/CommentResource.java
+++ b/docs-web/src/main/java/com/sismics/docs/rest/resource/CommentResource.java
@@ -11,6 +11,7 @@ import javax.ws.rs.GET;
 import javax.ws.rs.PUT;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
+import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.Status;
 
@@ -21,6 +22,7 @@ import com.sismics.docs.core.dao.jpa.dto.CommentDto;
 import com.sismics.docs.core.model.jpa.Comment;
 import com.sismics.rest.exception.ForbiddenClientException;
 import com.sismics.rest.util.ValidationUtil;
+import com.sismics.util.ImageUtil;
 
 /**
  * Comment REST resource.
@@ -64,8 +66,9 @@ public class CommentResource extends BaseResource {
         // Returns the comment
         JsonObjectBuilder response = Json.createObjectBuilder()
                 .add("id", comment.getId())
-                .add("creator", principal.getName())
                 .add("content", comment.getContent())
+                .add("creator", principal.getName())
+                .add("creator_gravatar", ImageUtil.computeGravatar(principal.getEmail()))
                 .add("create_date", comment.getCreateDate().getTime());
         return Response.ok().entity(response.build()).build();
     }
@@ -119,14 +122,13 @@ public class CommentResource extends BaseResource {
      */
     @GET
     @Path("{documentId: [a-z0-9\\-]+}")
-    public Response get(@PathParam("documentId") String documentId) {
-        if (!authenticate()) {
-            throw new ForbiddenClientException();
-        }
+    public Response get(@PathParam("documentId") String documentId,
+            @QueryParam("share") String shareId) {
+        authenticate();
         
         // Read access on doc gives access to read comments 
         DocumentDao documentDao = new DocumentDao();
-        if (documentDao.getDocument(documentId, PermType.READ, principal.getId()) == null) {
+        if (documentDao.getDocument(documentId, PermType.READ, shareId == null ? principal.getId() : shareId) == null) {
             return Response.status(Status.NOT_FOUND).build();
         }
         
@@ -139,6 +141,7 @@ public class CommentResource extends BaseResource {
                     .add("id", commentDto.getId())
                     .add("content", commentDto.getContent())
                     .add("creator", commentDto.getCreatorName())
+                    .add("creator_gravatar", ImageUtil.computeGravatar(commentDto.getCreatorEmail()))
                     .add("create_date", commentDto.getCreateTimestamp()));
         }
         
diff --git a/docs-web/src/main/webapp/WEB-INF/web.xml b/docs-web/src/main/webapp/WEB-INF/web.xml
index de15dab3..0c5629fb 100644
--- a/docs-web/src/main/webapp/WEB-INF/web.xml
+++ b/docs-web/src/main/webapp/WEB-INF/web.xml
@@ -3,7 +3,8 @@
   xmlns="http://java.sun.com/xml/ns/javaee"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
-  version="3.0"> 
+  version="3.0"
+  metadata-complete="true"> 
   <display-name>Docs</display-name>
   
   <!-- This filter is used to process a couple things in the request context -->
@@ -55,4 +56,6 @@
     <servlet-name>JerseyServlet</servlet-name>
     <url-pattern>/api/*</url-pattern>
   </servlet-mapping>
+  
+  <absolute-ordering/>
 </web-app>
diff --git a/docs-web/src/main/webapp/src/app/share/controller/Share.js b/docs-web/src/main/webapp/src/app/share/controller/Share.js
index c1e15ae6..c85f65c8 100644
--- a/docs-web/src/main/webapp/src/app/share/controller/Share.js
+++ b/docs-web/src/main/webapp/src/app/share/controller/Share.js
@@ -20,6 +20,13 @@ angular.module('share').controller('Share', function($scope, $state, $stateParam
         $scope.files = data.files;
       });
 
+  // Load comments from server
+  Restangular.one('comment', $stateParams.documentId).get({ share: $stateParams.shareId }).then(function(data) {
+        $scope.comments = data.comments;
+      }, function(response) {
+        $scope.commentsError = response;
+      });
+
   /**
    * Navigate to the selected file.
    */
diff --git a/docs-web/src/main/webapp/src/partial/docs/directive.auditlog.html b/docs-web/src/main/webapp/src/partial/docs/directive.auditlog.html
index 1986122f..483bf18b 100644
--- a/docs-web/src/main/webapp/src/partial/docs/directive.auditlog.html
+++ b/docs-web/src/main/webapp/src/partial/docs/directive.auditlog.html
@@ -15,7 +15,8 @@
               <a ng-href="#/document/view/{{ log.target }}">{{ log.message }}</a>
             </span>
             <span ng-switch-when="File">
-              <a ng-href="#/document/view/{{ log.message }}/content/file/{{ log.target }}">Open</a>
+              <a ng-if="log.message" ng-href="#/document/view/{{ log.message }}/content/file/{{ log.target }}">Open</a>
+              <a ng-if="!log.message" ng-href="#/document/file/{{ log.target }}">Open</a>
             </span>
             <span ng-switch-when="Comment">
               <a ng-href="#/document/view/{{ log.message }}">See</a>
diff --git a/docs-web/src/main/webapp/src/partial/docs/document.view.html b/docs-web/src/main/webapp/src/partial/docs/document.view.html
index 5ad747e5..f3f4ad86 100644
--- a/docs-web/src/main/webapp/src/partial/docs/document.view.html
+++ b/docs-web/src/main/webapp/src/partial/docs/document.view.html
@@ -72,15 +72,20 @@
         <p ng-show="!comments && commentsError">Error loading comments</p>
       </div>
 
-      <div ng-repeat="comment in comments" style="overflow: hidden">
-        <strong>{{ comment.creator }}</strong>
-        <p>
-          {{ comment.content }}<br />
-          <span class="text-muted">{{ comment.create_date | date: 'yyyy-MM-dd' }}</span>
+      <div ng-repeat="comment in comments" class="media" style="overflow: hidden">
+        <div class="pull-left">
+          <img ng-src="http://www.gravatar.com/avatar/{{ comment.creator_gravatar }}?s=40&d=identicon" class="media-object" />
+        </div>
+        <div class="media-body">
+          <strong>{{ comment.creator }}</strong>
+          <p>
+            {{ comment.content }}<br />
+            <span class="text-muted">{{ comment.create_date | date: 'yyyy-MM-dd' }}</span>
           <span class="text-muted pull-right btn-link"
                 ng-show="document.writable || userInfo.username == comment.creator"
                 ng-click="deleteComment(comment)">Delete</span>
-        </p>
+          </p>
+        </div>
       </div>
 
       <form ng-submit="addComment()">
diff --git a/docs-web/src/main/webapp/src/partial/share/share.html b/docs-web/src/main/webapp/src/partial/share/share.html
index 42efc1b1..25833a68 100644
--- a/docs-web/src/main/webapp/src/partial/share/share.html
+++ b/docs-web/src/main/webapp/src/partial/share/share.html
@@ -1,5 +1,5 @@
 <div class="row">
-  <div class="well col-md-12">
+  <div class="col-md-10">
     <div class="page-header">
       <h1>
         {{ document.title }} <small>{{ document.create_date | date: 'yyyy-MM-dd' }}</small>
@@ -26,4 +26,31 @@
 
     <div ui-view="file"></div>
   </div>
+
+  <div class="col-md-2">
+    <p class="page-header">
+      <span class="glyphicon glyphicon-comment"></span>
+      Comments
+    </p>
+
+    <div ng-show="!comments || comments.length == 0" class="text-center text-muted">
+      <h1 class="glyphicon glyphicon-comment"></h1>
+      <p ng-show="!comments && !commentsError">Loading...</p>
+      <p ng-show="comments.length == 0">No comments on this document yet</p>
+      <p ng-show="!comments && commentsError">Error loading comments</p>
+    </div>
+
+    <div ng-repeat="comment in comments" class="media" style="overflow: hidden">
+      <div class="pull-left">
+        <img ng-src="http://www.gravatar.com/avatar/{{ comment.creator_gravatar }}?s=40&d=identicon" class="media-object" />
+      </div>
+      <div class="media-body">
+        <strong>{{ comment.creator }}</strong>
+        <p>
+          {{ comment.content }}<br />
+          <span class="text-muted">{{ comment.create_date | date: 'yyyy-MM-dd' }}</span>
+        </p>
+      </div>
+    </div>
+  </div>
 </div>
\ No newline at end of file
diff --git a/docs-web/src/stress/main/webapp/web-override.xml b/docs-web/src/stress/main/webapp/web-override.xml
deleted file mode 100644
index ea56b8c9..00000000
--- a/docs-web/src/stress/main/webapp/web-override.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<web-app id="docs"
-  xmlns="http://java.sun.com/xml/ns/javaee"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
-  version="3.0"> 
-
-  <!-- Override init parameter to avoid nasty file locking issue on windows. -->
-  <servlet>
-    <servlet-name>default</servlet-name>
-    <init-param>
-      <param-name>useFileMappedBuffer</param-name>
-      <param-value>false</param-value>
-    </init-param>
-  </servlet>
-</web-app>
diff --git a/docs-web/src/test/java/com/sismics/docs/rest/TestCommentResource.java b/docs-web/src/test/java/com/sismics/docs/rest/TestCommentResource.java
index 798414ee..b59551dd 100644
--- a/docs-web/src/test/java/com/sismics/docs/rest/TestCommentResource.java
+++ b/docs-web/src/test/java/com/sismics/docs/rest/TestCommentResource.java
@@ -127,6 +127,7 @@ public class TestCommentResource extends BaseJerseyTest {
         Assert.assertEquals(comment2Id, comment.getString("id"));
         Assert.assertEquals("Comment by comment2", comment.getString("content"));
         Assert.assertEquals("comment2", comment.getString("creator"));
+        Assert.assertEquals("d6e56c42f61983bba80d370138763420", comment.getString("creator_gravatar"));
         Assert.assertNotNull(comment.getJsonNumber("create_date"));
         
         // Delete a comment with comment2
diff --git a/docs-web/src/test/java/com/sismics/docs/rest/TestShareResource.java b/docs-web/src/test/java/com/sismics/docs/rest/TestShareResource.java
index ba641334..eea8ab85 100644
--- a/docs-web/src/test/java/com/sismics/docs/rest/TestShareResource.java
+++ b/docs-web/src/test/java/com/sismics/docs/rest/TestShareResource.java
@@ -78,6 +78,14 @@ public class TestShareResource extends BaseJerseyTest {
         Assert.assertEquals(document1Id, json.getString("id"));
         Assert.assertEquals(3, json.getJsonArray("acls").size()); // 2 for the creator, 1 for the share
 
+        // Get all comments from this document anonymously
+        json = target().path("/comment/" + document1Id)
+                .queryParam("share", share1Id)
+                .request()
+                .get(JsonObject.class);
+        JsonArray comments = json.getJsonArray("comments");
+        Assert.assertEquals(0, comments.size());
+        
         // Get all files from this document anonymously
         json = target().path("/file/list")
                 .queryParam("id", document1Id)