E-commerce is an essential part of the internet and although businesses may never meet their customers face-to-face, they have now have access to large amounts of information about them.

A client relationship manager and an insight analyst both focus on how customers behave and how their experience can be improved.

A search engine optimiser concentrates on drawing traffic to websites by giving search engines what they want to see. A social media marketing professional uses tools such as Twitter and Facebook to increase the visibility of the site they are promoting.