进入２１世纪，电脑的家庭化、网络化进程加快，报纸、广播、电视、网络４种媒体的竞争日趋激烈，互联网这种媒体较传统媒体的优势也很快显现出来———它不但传播速度极快，更重要的是，它可以使受众直接参与信息传播过程，满足受众的个性表达需要。相对于网络的瞬间可达、即 Enter the 21st century, the computerization of the family, the acceleration of the network, newspapers, radio, television, Internet four kinds of media increasingly competitive, the Internet this media advantages over traditional media also quickly emerged --- it not only the speed of communication Very fast, more importantly, it allows the audience directly involved in the process of information dissemination, to meet the individual needs of the audience. Instantaneous with respect to the network, that is