The idea behind the tools demonstrated are simple yet profound. They revolve around a concept that ‘humans desire to express themselves’. The tool fetches data from the blogs around the world and mines it to give useful insights. The speaker demonstrated couple of tools and in both tools, the data visualization methods employed was state-of-the-art. such videos deepen my fascination for data mining and information management. you can watch the video to get an insight into how ‘feelings’ can be mined (‘analyzed’) to understand the world around us.