Successful companies are built not only by successful products, but also by successful campaigns. Campaigns today increasingly mean online, digital marketing campaigns. Digital marketing simply means the promotion of brands or products via the electronic media (in one or more forms). Though it predominantly involves the internet, it does involve using channels such as wireless text messaging, mobile instant messaging, podcasts, apps, television and radio channels, electronic billboards, etc. here we look at 8 most important things that you should know to build a successful digital marketing campaign.