. For the past fifty years, several improvements in transportation technology have been made. It has helped in the faster delivery of goods across long distances at lower costs. . Even more remarkable have been the developments in information and communication technology. Technology in the areas of telecommunications, computers, internet has been changing rapidly. . Telecommunication facilities like telegraph, telephone including mobile phones or fax, etc., are used to contact one another around the world to access information instantly and to communicate from remote areas. . There is an amazing world of internet, where we can obtain and share information on almost anything we want to know. Internet also allows us to send instant electronic mail and talk across the world at negligible costs.