(a)
(b)
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(d)
Figure 5: When , , and , the group shows polarization. In (a) and (b), the color of cellular represents individual’s opinion to Internet events, with more dark meaning more opposition and more light meaning more support. (a) Initial status of group opinions. (b) Distribution of group opinions after 1000 time steps. (c) Histogram of initial distribution of group opinions. (d) Histogram of final distribution of group opinions.