First of all, it is generally agreed that citizen journalists offer a great deal of information sources for mainstream media. Traditionally, mainstream media rely on professional journalists to get news or information through their observation, inquiry, analysis or investigation (I, Reporter, 2007). A lot of large media have employees all over the world to provide information sources. However, since many great events usually take place suddenly, it seems difficult for professional journalists to predict and gather information. In contrast, the most outstanding characteristic of citizen journalists is that they are ubiquitous, which means they can appear in the most unlikely places (Glocer, 2006). Moreover, as new information science and technology such as digital products, mobile phones
First of all, it is generally agreed that citizen journalists offer a great deal of information sources for mainstream media. Traditionally, mainstream media rely on professional journalists to get news or information through their observation, inquiry, analysis or investigation (I, Reporter, 2007). A lot of large media have employees all over the world to provide information sources. However, since many great events usually take place suddenly, it seems difficult for professional journalists to predict and gather information. In contrast, the most outstanding characteristic of citizen journalists is that they are ubiquitous, which means they can appear in the most unlikely places (Glocer, 2006). Moreover, as new information science and technology such as digital products, mobile phones