Subscribe to dozen RSS feeds on various subjects you are most interested in and subscribe to few printed magazines and read them regularly .So , you will gain more and more knowledge on the subject of your interest .Be punctual in reading online articles that are written by others and also scan through the comments if any in the article section to gain better knowledge .Try to be witty while producing your article .Use idioms and phrases which attracts people .Your article must always be unique .But , that doesn't mean you to use hard words which people may not understand , remember the main motive of the article is to make peole understand your view , so write your article with simplified words , but with some phrases and idioms to make it interesting and cool .As you must have known already , the main part of the Article is the heading ,so try to keep a catchy heading which grabs the attention of the readers . The above mentioned points are to be kept in mind while writing an article to make it a good article .Thank you!