The sending and tracking of promotional messages using electronic devices, which allows marketing professionals to gauge their effectiveness at various points in the customer’s journey. Digital marketing, in practise, typically refers to marketing initiatives that display on digital devices such as computers, phones, tablets, etc. A digital marketing agency is a firm that deals exclusively in marketing to consumers through digital channels. This includes creating and launching campaigns for corporate clients through social media, pay-per-click advertising, videos, and websites, among others.Digital marketing is any marketing strategy that takes place through digital means — usually through Internet-connected devices. There are many examples: inbound marketing, email marketing, social media marketing, and content marketing are just a few.