This paper describes the method and deployment of extracting people needs from social blogs or analyzing trends from social media. The case studies in this paper are (1) the TEPCO Fukushima accident video comments from a streaming site in Japan during a week on May 2011 and (2) the SAVE IWATE blog where people from the region Iwate in Northern part of Japan can post their needs or comments on their daily life after the Great Tohoku Earthquake in 2011.