推特：“快速站队党”聚集地｜科学60秒

社交网络上的舆论确立能有多快？

埃隆·马斯克（Elon Musk）收购推特案终于落幕，言论自由之争正式“开庭”。

如果这场争论发生在推特上，裁决结果不久就能浮出水面：根据一项发表在《混沌》（Chaos）杂志上的研究，当一个话题在推特上引爆后，用户会迅速找准队伍，站定自己的立场。研究人员在6个月内收集了大约600万条推文，按情绪表达分为“积极”和“消极”两大类，然后集中分析了三个涉及电子产品的话题。

Twitter Opinion Quickly Stabilizes

All rise, the Twitter court of public opinion is now in session.

And the next case on the docket will reach a quick verdict. Because public opinion solidifies rapidly on Twitter. That's according to a study in the journalChaos.

Researchers collected almost 6 million tweets during a six-month period. They sorted the tweets for either positive or negative sentiments, then focused on three topics related to electronics.

At first opinions fluctuated, with one side gaining a slight advantage. This advantage grew gradually and then quickly leveled off, leaving one opinion in a stable and dominant position—but without an overwhelming consensus.

And once public opinion is established, it is...[full transcript]