Sentwi is an app that processes natural language from Twitter to understand people’s sentiment on particular topics. Try it yourself
Example
A headline that has been making waves is the HongKong protest, so that is the hashtag we will be inputting.
Analysis
The graph shows that the sum of sentiment scores for hashtag #hongkongprotests seems to fall under the neutral baseline at zero, which means the nature of most of the tweets are negative.
Topics are also displayed to showcase interesting observations within #hongkongprotests itself. Topic 5 seems to emphasise water related words. Further research shows that this is a reference to the police force using fire trucks.