Ambush Marketing:
(i) Ambush marketing is a method of building brands in covert ways. For example X has sponsored a football event to promote
his brand. Every time camera zooms on reference, a group of people sitting on the bench wearing 'Y' company brand name imposed shirt comes into focuses.
(ii) Bigger companies engage in ambush marketing tactics to undermine official event sponsors.
 

Viral marketing is marketing technique that impels the users to pass on a marketing message to other users, creating a potentially exponential growth in the message's visibility and effect.

Rural marketing is a process of developing pricing, promoting and distributing rural specific goods and services leading to derived exchange with rural customers to satisfy their needs and wants.

If all activities, which directly or indirectly facilitate that exchange of goods done through internet and other online environments is known as Electronic Commerce.

Content marketing is said to be the art of communicating with customers and prospects without selling. The Content Marketing institute calls it non-interruption marketing.

(i) Referral marketing is the method of promoting products or services to new customers through referrals.
(ii) Referral marketing is refer to spreading the word about a product or service through existing customers of business enterprises rather than through traditional advertising
(iii) Word-of-mouth marketing, which occurs when others tell each other about a business, is also considered to be a form of referral marketing.

A commodity exchange is an organized and regulated market that facilitates the purchase and sale of contracts whose values are tied to the price of commodities (e.g. crude oil, natural gas, copper and gold).