The researchers did this by looking into keywords that were being used in tweets – words that were happy and enthusiastic contributed to being positive, while sad and anxious keywords contributed to the negative score. While not everybody in the world uses Twitter, and not everybody who uses Twitter uses it in the same way – it still showed that the same patterns were visible across cultures.
How do you use Twitter? Have you noticed these mood patterns, and do you contribute to them? Read the full report.