Guerrilla Marketing : 
(i) The concept of Guerrilla Marketing was invented as an unconventional system ofpromotions that relies on time, energy and
imagination rather than a big marketing budget.
(ii) Guerrilla marketing represents advertisement strategy to promote products/ services on streets or other
public places with monkey like shopping malls, parks beach etc.,
(iii) It is suited to small companies which cannot set apart big advertisement budget.
Multilevel Marketing
(i) Multilevel Marketing is the marketing strategy wherein the direct sales companies encourage its existing distributors to recruit new distributors to facilitate the sale of goods and services.
(ii) The distributor is compensated not only for the sales generated by him but also gets a percentage on sales revenue of the other distributor he recruits, thus; a multilevel marketing is a type of direct selling wherein the distributor sells the product via relationship referrals and word-of-mouth marketing.

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.

Advantages of E-tailing :
i) Customers can shop from the compact of their homes at any time of the day instead of visiting a store during specific hours.
ii) It reduces advertising and marketing expenses as customers can find the stores through search engines or social media.
iii) Companies can more products faster and reach more customers Online than with traditional physical locations.
Disadvantages:
(i) Creating and maintaining an E-tailing website can be expensive.
(ii) Infra structure costs can be substantial if ware houses and distribution centers need to be built to store and ship products.
(iii) Consumers may not trust E-tailing that is not well established or does not have a physical location near them.
(iv) E-tailing does not offer experience shopping whereby consumers can hold, smell, feel or by product and services before purchasing them.