anchor.diff:  				| newPost.save(function(err) {
   				|     // post has been saved	
   				| });
  +			
  +			.contextual-note
  +				h4 Automatic keys
  +				p Because we set the <code>autokey</code> option on our <code>Post</code> list, it will have generated a unique key based on the <code>title</code> before it was saved to the database.
  +				pre
  +					| newPost.slug == 'new-post';
  +			
  +			h3 Deleting Items
   			
   			p To delete items, first load the data, then use the <code>remove</code> method:
   			
  
positive.code: 				|         // do something with posts
  				|     });
  			
  			h3 Creating, updating and Removing Items
  			
  			p To create new items, again use the <a href="http://mongoosejs.com/docs/models.html" target"_blank">mongoose model</a>:
  			
  
negative.code: 				| });
  				| Post.add({
  				|     title: { type: String, required: true },
  				|     state: { type: Types.Select, options: 'draft, published, archived', default: 'draft' },
  				|     author: { type: Types.Relationship, ref: 'User' },
  				|     createdAt: { type: Date, default: Date.now },
  