%A Ardian Maulana %A Hokky Situngkir %T Some Inquiries to Spontaneous Opinions: A case with Twitter in Indonesia %X The paper discusses opportunities to utilize the series of micro-blogs as provided by the Twitter in observation of opinion dynamics. The spontaneity of tweets is more, as the service is attached more to the mobile communications. The extraction of information in the series of tweets is demonstrated as in conceptual map and mention map. From the latter, the social network stylized properties, i.e.: power law distribution is shown. The exemplification of the methodology is on the 82nd commemoration of Indonesian Youth Pledge and the participatory movement of Indonesian capitol city, Jakarta. %D 2010 %K Twitter, social network, social media, text analysis, conceptual map, mention map. %I Bandung Fe Institute %L cogprints7133