“…As shown in Table 2, in the opinion leader information exchange network, certain individuals (4, 14, 40, 44, 54, 79, 110, 140, 166, 186) have a larger in-degree and are therefore good at receiving information from other users. Some individuals (27,35,54,58,63,117,139,140,147,169,173,174,187) have a larger out-degree, which means they are willing to actively discuss topics with other individuals and are good at expressing their opinions. Meanwhile, Freeman's betweenness measures the degree of control of resources by actors.…”