However, the brand building process continues even after the product is sold to the customer. Company can come out to be a winner by showcasing differentiation in services at the point of sell and after sell customer service. Furthermore, research has shown that average customers are not happy with after sell services in airlines, bank and hotel industry. It has been observed that companies with help of modern technology are maintaining a database of customer profile. Companies perform analysis on database and choose offer discounts, coupons and charge low services who give maximum business. Companies are not welcoming casual users. This sort of differential service creates a bad impression in mind of customer, resulting in abandoning and bad mouthing of the company. There are various ways to deliver superior quality to all customers, but is up-to the company, whether to service just profitable customer.