From a very small fish to becoming the big one subsequently the biggest among all. This is how few brands have changed with time eg levis microsoft alongside several more the big fish the financial success of such brands have been depending on combined efforts of their financial strategies and their marketing efforts. One thing that s been common among all there brands offers superior quality degree of brand loyalty. They have managed to capture the share of heart therefore producing share of customer s wallet. Now understand that marketing plays an important roll in their overall success, So now companies have cmos chief marketing officer along with cfos and ceos. They understand that if there are functions close to customers its ether sales or marketing. Sales become a direct interface among customs and products offered and marketing, By companies serves as a non-direct function between consumer and the company. But what makes marketing so big? the reason It plays a crucial role? in the event that you own a great product you are bound to succeed then why do u need to spend on marketing / advertising?the answer to these questions lies deep within the buyer's experience brain. Customers / consumers are smart and they understand what makes your product different form mine. In the event that you are offering then 1 % more that what i do why should they pay me rather than paying you. That s the point. And secondly It carries great importance to communicate the product offerings to the end user. If a marketing team has worked hard on understanding the consumer needs they have to formulate sure their customers get a feel this brand knows what i want . Trust me this represents the only major differentiator between why your 1% more has the capability to get you more loyal and more number of customers. The time has changed. To products that are provided by a brand you have n number of more substitutes and consumers get to know that functions as the better substitute that suites there requirements . Hence it is important to confirm that marketing efforts are more on understanding the changing needs on today s customer. It is necessary that we understand the minds of customers. It s rightly said customer is king marketing managers need to understand the customer needs and they need to produce their major decisions such as the features the price, To include to be offered to customers along with what to spend on advertisements. Marketing today has evolved into a emotional research which helps understanding customer and consumers psychology so that products are developed grounded in these understanding. How do we reduce cost of customer acquisitiona successful marketing team can carefully analyze customer needs and carefully monitor there competitors marketing moves.