In the past two decades, Apple Inc. has become the world number one creative company of innovative portable devices that have been successfully designed and launched to meet consumer’s preference. Its advanced technology driven products have become must-have devices in various target segments, such as the IPod, IPhone, MacBook Air and the IPad. Its devices had contributed the company's market capitalization worth estimation over 650 billion of cumulative revenue for its 30 years of existence in the retail marketplace