In business, people speed-read e-mails, reports, articles, publications, etc. and instantly understands what is relevant to themselves.
Try to think about the intellectual processing needed to do this kind evaluation; a person needs to understand the language of the text, and they need to understand the content and context of each sentence. They also need to understand the goals and priorities of the business and apply it to their evaluation. In addition, a person must be motivated, fed and filled with several liters of coffee every day.
Imagine using a computer to perform the same evaluation and let the machine decide what is important to you; How would you program it to do this task?