Tree structure

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Embedding Comments and Views

Linking Articles and Views

• single document
• natural
• hard to query

blogs: {
  author: "sambeau",
  date: "84 days ago",
  comments: [
    {
      author: "ElliotH",
      date: "84 days ago",
      text: "It’s also missing the necessary credit to OpenStreetMap’s
          contributors; we look forward to working with Apple to get that on
          there.",
      replies: [
        {
          author: "sambeau",
          date: "83 days ago",
          text: "I do think that this is a very classy move by the OSM people,
              no ranting blog post or 'Apple stole our stuff', welcoming people
              presents a much better image of the project."
        }
      ]
    }
  ]
}