@thetrumpwatcher is a Twitter bot created by @erocdrahs that lets its followers know how Donald Trump is feeling.

From author’s blog:

This bot parses Donald’s tweets, and performs a sentiment analysis to find out his mood. Generally speaking, this form of analysis is best used for larger volumes of text, and tends to be a bit hit and miss on a 140 character tweet. However, Mr Trump uses English at the level of an eleven year old child, which makes things easier.

Read more at shardcore.org.