message: Update Hangouts item.
diff: {
  "dateClose": "2013-05-15",
  "dateOpen": "2005-08-22",
  - "description": "Often remembered as 'Gchat', Google Talk was a messaging service for both text and voice using XMPP. Google later replaced Google Talk with Hangouts.",
  + "description": "Often remembered as 'Gchat', Google Talk was a messaging service for both text and voice using XMPP.",
  "link": "https://en.wikipedia.org/wiki/Google_Talk",
  "name": "Google Talk",
  "type": "service"
  "type": "service"
  },
  {
  - "dateClose": "2020-12-31",
  + "dateClose": "2021-06-30",
  "dateOpen": "2013-03-15",
  - "description": "Google Hangouts was a communication platform which included messages, video chat, and VOIP features. Execution scheduled \"late 2020\".",
  + "description": "Google Hangouts was a communication platform which included messages, video chat, and VOIP features. Execution scheduled \"first half 2021\".",
  "link": "https://arstechnica.com/gadgets/2019/01/the-great-google-hangouts-shutdown-begins-october-2019/",
  "name": "Google Hangouts",
  "type": "service"
  