Digital marketing is the promotion of products or brands via one or more forms of electronic media. Digital marketing is often referred to as online marketing, internet marketing or web marketing. Digital marketing has been around for quite some time but it hasn’t been very well defined. We tend to think that digital marketing encompasses banner advertising, search engine optimization (SEO) and pay per click. Yet, this is too narrow a definition, because digital marketing also includes e-mail, RSS, voice broadcast, fax broadcast, blogging, podcasting, video streams, wireless text messaging, and instant messaging. Yes! digital marketing has a very wide scope.