Twitter messages can be easily downloaded and analysed in Wolfram Mathematica with the built-in integration of R coding.

Data analysis, Visualization & Publication, including the use of the built-in sentiment analysis, and various translator APIs, can be performed in Wolfram Mathematica.

You can perform similar analysis with many other social political related key words, to visualize the sentiment changes of people from different demography.

This 6-min clip shows the basic analysis and comparison on the sentiment of the twitter users between Kuala Lumpur and Singapore about the recent Kim Jong Nam death.