Web 2.0 帶動以使用者為中心的網路模 式，其中，讓使用者能夠即時地以簡短的 文字撰寫訊息，並發布該訊息的微網誌網 站，已經引起個人、組織與企業的加入與 關注。這種創新形式的部落格，讓社群中 的任何人，可以透過多種不同的管道來傳 遞或發表即時的訊息，供特定人或公眾接 收。其中，Facebook、Twitter 及Plurk 等微網 誌網站的創新經營模式，已經創造大量的 網路流量，並改變了人們的生活模式。但 是目前微網誌網站的獲利能力，並未能如 其網路流量般迅速地成長。本研究透過國內外相關研究與文獻之蒐集與評論，探究 電子商務經營模式，並運用該模式分析 Facebook、Twitter 及Plurk 等三大微網誌網 站，進一步提出微網誌的創新經營模式， 歸納微網誌的發展趨勢與對人們生活模式 的影響。

In the Web 2.0 era, e-business model change by the impact, companies need to understand the characteristics ofWeb 2.0 to build its own business model, which will lead to a greater chance of success. The study examines the business model of microblogs, using three dimensions, income dimension, investment dimension, and key success factors dimension to study the three cases, Twitter, Plurk and Facebook. The results showed the income dimension of Twitter and Facebook have developed multiple streams of income, but Plurk has not yet developed positively.With investment dimension, Twitter and Facebook not only have a lot of traffic to attract capital investment, but also used the funds to strengthen the internal technology in acquisition. In the key success factors dimension, the three companies are more similar in external factors such as the development, with the main effect factors being the development of Web 2.0 and the features of micro blogs. In the internal of key success factors dimension, the three companies have greater differences in the establishment time and whether if it has a social network feature. The three companies all rests features of Web 2.0, with user needs as the core, then build their own business model. Although only Facebook has positive cash flow, the future of micro blogs still has great potential.