Measuring public opinion was always about extrapolating from surveys and hoping the small sample you selected was representative of the general public. Today, individual public opinion is ripe for the taking on Facebook, YouTube, Instagram, Twitter, Reddit, WhatsApp, and whatever new product review or augmented-reality platform pops up next.
With the advancement of Artificial Intelligence, we can now analyze texts using different types of software.
For one of my research projects, We have analyzed 40,000 Amazon Reviews of Smart Wearable Devices like Fit Bit, Samsung Gear 2, and 3. The Following output provides us an idea, what people are talking about your brands or products. It may be difficult to go through 40,000 reviews because of a large volume of unstructured data. With the help of Automatic Content Analysis, you can easily understand what is important to your customers.