message: Add Google Hotpot.
  Google Hotpot was a local recommendation engine that allowed people to rate restaurants, hotels, etc. and share them with friends.
diff: "description": "Google Catalogs was a shopping application that delivered the virual catalogs of large retailers to users.",
  "link": "https://en.wikipedia.org/wiki/Google_Catalogs",
  "name": "Google Catalogs"
  + },
  + {
  + "dateClose": "2011-04-08",
  + "dateOpen": "2010-11-15",
  + "description": "Google Hotpot was a local recommendation engine that allowed people to rate restaurants, hotels, etc. and share them with friends.",
  + "link": "https://mashable.com/2011/04/08/google-hotpot-goes-cold/",
  + "name": "Google Hotpot"
  }
  ]
  