Final answer:
Sentiment analysis is the technique that utilizes language-analysis software for tracking social networks to understand public opinion.
Step-by-step explanation:
The research technique in which companies track social networks and other media with automated language-analysis software to gauge public opinion and identify influential opinion makers is known as sentiment analysis.
This technique involves the collection and analysis of data to extract insights about the feelings and opinions expressed in various texts. With sentiment analysis, organizations can understand the impact of social media on consumer decisions and address issues such as the spread of hate speech and misinformation by monitoring social media platforms more effectively.