with the challenges of the continuous development of society, when the traditional advertising media such as books, newspapers, magazines, television ... no longer hold the role as before, demand for a new advertising media is indispensable. In addition, in recent years, the boom in information technology and especially the Internet and the tools of it solved the problem of the traditional advertising media time is short and wide space, high efficiency and low cost
đang được dịch, vui lòng đợi..