微博的理想与现实——兼论社交媒体建构公共空间的三大困扰因素

以微博的逐渐流行为标志,自媒体进一步演化为社交媒体,其传播范围从个体向整个社会扩展,在传播技术和传播方式两方面均具备建构公共空间的优势条件。然而,在普遍的乐观预期下,恰恰更需要警惕网络商业主义、集体无意识和注意力承载力这三方面因素的困扰,它们严重影响了微博等社交媒体对舆论公共空间的积极建构。

Ideal and Reality of Twitter: On the Three Restrictions on Social-Communication Media in Their Construction of Public Space

With the increasing popularity of Twitter（Micro-blogging）,private media are evolving into social-communication media,extending from individuals to the whole society.Supported by the technology and instruments of communication,the construction of a Twitter-based public space seems now possible.With all the prevailing optimism thereof,close attention has to be paid to the three restrictive factors therein,i.e.,Internet commercialism,collective unconsciousness,and capacity of recipients＇attention,which have significantly retarded the construction of such a space by Twitter and other social-communication media.