diff --git a/net/web/src/carousel/Carousel.styled.js b/net/web/src/carousel/Carousel.styled.js
index 29ccb086..042c664b 100644
--- a/net/web/src/carousel/Carousel.styled.js
+++ b/net/web/src/carousel/Carousel.styled.js
@@ -99,7 +99,7 @@ export const CarouselWrapper = styled.div`
 
   .asset {
     height: 128px;
-    border-radius: 8px;
+    border-radius: 3px;
     overflow: hidden;
   }
 
diff --git a/net/web/test/Thread.test.js b/net/web/test/Thread.test.js
index ef708563..6e31878e 100644
--- a/net/web/test/Thread.test.js
+++ b/net/web/test/Thread.test.js
@@ -6,23 +6,36 @@ import { ProfileContext, ProfileContextProvider } from 'context/ProfileContext';
 import { StoreContextProvider } from 'context/StoreContext';
 import { ViewportContextProvider } from 'context/ViewportContext';
 import { ConversationContextProvider } from 'context/ConversationContext';
-import { CardContextProvider } from 'context/CardContext';
+import { CardContext, CardContextProvider } from 'context/CardContext';
 import { UploadContextProvider } from 'context/UploadContext';
 import { useConversation } from 'session/conversation/useConversation.hook';
 
 import * as fetchUtil from 'api/fetchUtil';
 
+let conversation = null;
+let card = null;
 function ThreadView() {
   const { state, actions } = useConversation('card01', 'channel01');
   const [renderCount, setRenderCount] = useState(0);
+  const [topics, setTopics] = useState([]);
+
+  conversation = actions;
+  card = useContext(CardContext);
 
   useEffect(() => {
     const rendered = [];
+    const entries = Array.from(state.topics.values());
+    entries.forEach(entry => {
+      rendered.push(
+        <div key={entry.id} data-testid={entry.id}>{ entry.text }</div>
+      )
+    });
+    setTopics(rendered);
     setRenderCount(renderCount + 1);
   }, [state]);
 
   return (
-    <div data-testid="thread" count={renderCount}></div>
+    <div data-testid="thread" count={renderCount}>{ topics }</div>
   );
 }
 
@@ -48,18 +61,51 @@ function ThreadTestApp() {
   );
 }
 
-let updated;
+let fetchCards;
+let fetchChannels;
+let fetchTopics;
+let fetchDetail;
 const realFetchWithTimeout = fetchUtil.fetchWithTimeout;
 const realFetchWithCustomTimeout = fetchUtil.fetchWithCustomTimeout;
 beforeEach(() => {
-  let updated = false; 
+  fetchCards = [];
+  fetchChannels = [];
+  fetchTopics = [];
+  fetchDetail = {};
+
   const mockFetch = jest.fn().mockImplementation((url, options) => {
-    if (options.method === 'PUT') {
-      updated = true;
+
+    if (url.startsWith('/contact/cards?agent')) {
+      return Promise.resolve({
+        json: () => Promise.resolve(fetchCards)
+      });
+    }
+    if (url.startsWith('https://test.org/content/channels?contact')) {
+      return Promise.resolve({
+        json: () => Promise.resolve(fetchChannels)
+      });
+    }
+    if (url.startsWith('https://test.org/content/channels/channel01/topics?contact')) {
+      const headers = new Map();
+      headers.set('topic-marker', 48);
+      headers.set('topic-revision', 55);
+      return Promise.resolve({
+        url: 'getTopics',
+        status: 200,
+        headers: headers,
+        json: () => Promise.resolve(fetchTopics),
+      });
+    }
+    if (url.startsWith('https://test.org/content/channels/channel01/topics/topic01/detail?contact')) {
+      return Promise.resolve({
+        json: () => Promise.resolve(fetchDetail)
+      });
+    }
+    else {
+      return Promise.resolve({
+        json: () => Promise.resolve([])
+      });
     }
-    return Promise.resolve({
-      json: () => Promise.resolve({ name: updated ? 'tested' : 'tester' })
-    });
   });
   fetchUtil.fetchWithTimeout = mockFetch;
   fetchUtil.fetchWithCustomTimeout = mockFetch;
@@ -72,6 +118,151 @@ afterEach(() => {
 
 test('add, update, remove topic', async () => {
 
-    render(<ThreadTestApp />);
+  render(<ThreadTestApp />);
+
+  await waitFor(async () => {
+    expect(card).not.toBe(null);
+    expect(conversation).not.toBe(null);
+  });
+
+  fetchCards = [{
+    id: 'card01',
+    revision: 1,
+    data: {
+      detailRevision: 2,
+      profileRevision: 3,
+      notifiedProfile: 3,
+      notifiedArticle: 5,
+      notifiedChannel: 6,
+      notifiedView: 7,
+      cardDetail: { status: 'connected', statusUpdate: 136, token: '01ab', },
+      cardProfile: { guid: 'guid01', handle: 'test1', name: 'tester', imageSet: false,
+        seal: 'abc', version: '1.1.1', node: 'test.org' },
+    },
+  }];
+
+  fetchChannels = [
+    { id: 'channel01', revision: 2, data: {
+        detailRevision: 3,
+        topicRevision: 5,
+        channelSummary: { guid: 'guid01', dataType: 'superbasictopic', data: 'testcardtopic' },
+        channelDetail: { dataType: 'superbasic', data: 'testcardchannel' },
+      }
+    },
+  ];
+
+  fetchTopics = [
+    { id: 'topic01', revision: 1, data: {
+      detailRevision: 1,
+      tagRevision: 1,
+      topicDetail: {
+        guid: 'guid01',
+        dataType: 'superbasictopic',
+        data: JSON.stringify({ text: 'message' }),
+        created: 1,
+        updated: 1,
+        status: 'confirmed',
+        transform: 'complete',
+      },
+    }},
+  ];
+
+  await act(async () => {
+    card.actions.setToken('abc123');
+    card.actions.setRevision(1);
+  });
+
+  await waitFor(async () => {
+    expect(screen.getByTestId('thread').children).toHaveLength(1);
+    expect(screen.getByTestId('topic01').textContent).toBe('message');
+  });  
+
+  fetchCards = [{
+    id: 'card01',
+    revision: 2,
+    data: {
+      detailRevision: 2,
+      profileRevision: 3,
+      notifiedProfile: 3,
+      notifiedArticle: 5,
+      notifiedChannel: 7,
+      notifiedView: 7,
+    },
+  }];
+
+  fetchChannels = [
+    { id: 'channel01', revision: 3, data: {
+        detailRevision: 3,
+        topicRevision: 6,
+        channelSummary: { guid: 'guid01', dataType: 'superbasictopic', data: 'testcardtopic' },
+        channelDetail: { dataType: 'superbasic', data: 'testcardchannel' },
+      }
+    },
+  ];
+
+  fetchTopics = [
+    { id: 'topic01', revision: 2, data: {
+      detailRevision: 2,
+      tagRevision: 1,
+    }},
+  ];
+
+  fetchDetail = { id: 'topic01', revision: 2, data: {
+    detailRevision: 2,
+    tagRevision: 1,
+    topicDetail: {
+      guid: 'guid01',
+      dataType: 'superbasictopic',
+      data: JSON.stringify({ text: 'message2' }),
+      created: 1,
+      updated: 1,
+      status: 'confirmed',
+      transform: 'complete',
+    }
+  }}
+
+  await act(async () => {
+    card.actions.setRevision(2);
+  });
+
+  await waitFor(async () => {
+    expect(screen.getByTestId('topic01').textContent).toBe('message2');
+  });  
+
+  fetchCards = [{
+    id: 'card01',
+    revision: 3,
+    data: {
+      detailRevision: 2,
+      profileRevision: 3,
+      notifiedProfile: 3,
+      notifiedArticle: 5,
+      notifiedChannel: 8,
+      notifiedView: 7,
+    },
+  }];
+
+  fetchChannels = [
+    { id: 'channel01', revision: 4, data: {
+        detailRevision: 3,
+        topicRevision: 7,
+        channelSummary: { guid: 'guid01', dataType: 'superbasictopic', data: 'testcardtopic' },
+        channelDetail: { dataType: 'superbasic', data: 'testcardchannel' },
+      }
+    },
+  ];
+
+  fetchTopics = [
+    { id: 'topic01', revision: 2 },
+  ];
+
+  await act(async () => {
+    card.actions.setRevision(3);
+  });
+
+  await waitFor(async () => {
+    expect(screen.getByTestId('thread').children).toHaveLength(0);
+  });  
+
 });