If you have ever wondered what the interest is of companies in the hottest industries, such as drones or robots, there is a way to find this information out.The Securities and Exchange Commission maintains a database of all the forms filed by publicly traded companies for the past several years.
Here are the results for the number of forms that were filed with the SEC during the last four years that mentioned any of the following terms connected to recent popular industries.
artificial intelligence 1977
3D printing 1820
virtual reality 1154
augmented reality 1216
By the way, 8000+ means over 8,000. So it could be 9,000 or 90,000.