public static void main(String[] args) {
		// readers1 and 3 are interested in reading a specific newspaper
		reader1.subscribe(GlobalTimes.getInstance());
		reader3.subscribe(GlobalTimes.getInstance());
		
		// Suddenly something happens in this world, which must be published as a news.
		news = new News("News Headline for News1.", 
				"News Detail for News1.");
		
		// Our author publishes the news in GlobalTimes, with the intent of letting the readers know
		author.publishNews(news);
		
		/*-
		 * Reader 1 and 3 are updated with the news as they have subscribed GlobalTimes.
		 * While Reader 2 is never informed as the reader never subscribed to GlobalTimes.
		 */
	}