E-Tailing or electronic retailing refers to selling of goods and services through a shopping website (internet) or through virtual store to the ultimate consumer.

E-Marketing is achieving marketing objectives through use of digital technologies like Internet, World Wide Web, email, wireless media and management of digital Customer data and electronic customer management systems (E-CRM).

(i) Service marketing is a specialised branch of marketing.
(ii) Service marketing denotes the processing of selling service goods like telecommunication, banking, insurance, car rentals, healthcare, tourism, professional services, repairs, etc.

(i) E-commerce simply refers to the buying and selling of products and services through Online but E-business goes a way beyond the simple buying and selling of goods and service and much wider range of business processes, Such as supply chain management, electronic order processing and customer relationship management.
(ii) E-Commerce and E-Business is used interchangeably in its broader meaning just as commerce and business.

The following are the objectives of E-Marketing:
(i) Expansion of market share
(ii) Reduction of distribution and promotional expenses
(iii) Achieving higher brand awareness.
(iv) Strengthening data - base

Importance of social marketing:
(i) The primary aim of social marketing is social good such as anti-tobacco, anti-drug, anti-pollution, anti-dowry, road safety, protection of girl child, against the use of plastic bags.
(ii) Social marketing promotes the consumption of socially desirable products and health consciousness.
(iii) It helps to eradicate social evils that affect the society and quality of life.

I. Social Marketing
i) Social marketing is a new marketing tool.
ii) It is the systematic application of marketing philosophy and techniques to achieve specific behavioural goals which ensure social good.
iii) For example, this may include asking people not to smoke in public areas, asking them to wear seat belts or persuading them to follow speed limits.
II. Service Marketing
i) Service marketing is a specialized branch of marketing.
ii) A service is any activity or benefit that one party can offer to another which is essentially intangible and which does not result in the ownership of anything like business and professional services insurance, legal service, medical service etc.

i) In the Globalised business environment, the marketer must move goods, faster and quicker to satisfy the consumer's needs and wants by servicing the best quality goods and services.
ii) Therefore marketers are shipping from transaction thinking to relationship building and also focusing on lifelong customers.
iii) It is possible to carry out all the business transactions thinking to relationship building and also focusing on lifelong customer.
iv) So, marketer has give more emphasis on the notion, "offer more for less" and adopt different strategies to satisfy the consumers.
v) It is possible to carry out all the business transactions over an electronic network, primarily through the Internet.
vi) The number of Internet users is increasing very rapidly. They use a variety of tools like computer, laptops, tablet and smart or android phone devices to access different websites.
vii) Besides the social media networks have opened new aveues of interacting with customers.