Compared with other industries, the competition between retailers is more direct, intense and more varied. In order to adapt to the casual purchasing and retail market competition, the retailer will try every means to complete the sales scene and surrounding environment to enhance the overall design and publicity of the store. In order to attract and retain customers, retailers unceasingly strengthens the characteristic orientation, to store location, operating time, commodity structure, services, advertising, promotions and other factors, a comprehensive strategic planning, implement differentiation marketing. The basic meaning of a hacker is a person with a skilled computer technology, but most of the media is used to refer to "hackers" as computer intruders. White hat hackers have the ability to disrupt computer security without malicious intent. White hats generally have clear definitions of ethics and often try to work with companies to improve identified vulnerabilities. Grey hat hackers for ethical and legal ambiguity. Black hat hackers: black hat hackers - often used to distinguish between black hat hackers and generally (positive) hackers who are rational. The term has been popular since 1983, presumably due to the use of similar pronunciation and the explanation of safe cracker, and it has been translated into a mixture of crime and hacker. Computer security hacks - using password cracking or brute force attack. Software decoder script child (activist hacker) Menu of LG 32LH5000 LCD TV set well, reading and taking advantage of is simple. The LG LCD HDTV menu provides extensive selections like; dynamic contrast adjusting, noise reduction, gamma adjusting, deeper black level adjusting a straight Eye protection mode which could set the brightness of image. Auto volume leveler feature sets volume level while changing channels to stop loud sound levels.