Every business tries to stay upfront with their customers. The free market scenario has brought a situation that is characterized by cutthroat competition. We live in a world that is ruled by "survival of the fittest" policy. The race to be ahead has resulted in companies coming up with new and innovative marketing strategies to gain a competitive edge over their competitors.
Nidhi Upadhyay (2010). 3 Idiots: Exploring Innovative Marketing. Indian Journal of Marketing, 40(5), 3–13.