The world would not run today if the web services were down for one whole day. Every single activity in the world is now connected to each other through the massive network that connects one end to another with a single click. And in this era, where life cannot run without accessing the web, the business world has also made its part in this network. Digital marketing is a wide topic of discussion today and it is rapidly spreading out throughout the world like a wildfire. The new start up ideas and new ventures are based on the concept of marketing digitally. To be short, digital marketing is anything that requires the use of internet while selling or purchasing. Not only is it limited to the extreme ends, but also the medium of transaction is a part of the digital market. For example, we are regular subscribers of Facebook. Now, when we surf through our newsfeed, we often come across many advertisements of companies or products that we have earlier searched for in the we...