code: function ready() {
  	const notes = getAllNotes( store.getState() );
  
  	const timestamps = notes
  		.map( property( 'timestamp' ) )
  		.map( timestamp => Date.parse( timestamp ) / 1000 );
  
  	let newNoteCount = timestamps.filter( time => time > this.lastSeenTime ).length;
  
  	if ( ! this.firstRender && this.lastSeenTime === 0 ) {
  		newNoteCount = 0;
  	}
  
  	const latestType = get( notes.slice( -1 )[ 0 ], 'type', null );
  	store.dispatch( { type: 'APP_RENDER_NOTES', newNoteCount, latestType } );
  
  	this.hasNewNoteData = false;
  	this.firstRender = false;
  }
docs: Reports new notification data if available
  
  New notification data is available _if_ we
  have a note with a timestamp newer than we
  did the last time we called this function.