By now, experts agree on how a good article has become a powerful and efficient tool in online marketing. Compared to traditional forms of advertising, it is easier to do and is more cost-effective. Although web entrepreneurs recognize how articles can drive significant traffic (and later on profit) to their sites, many still don't have a clear idea on how to craft an informative and effective article that will do just that. Here then are 4 essential factors that will spice up your articles and later drive considerable income to your doorstep.