In fact, learning is easier than breathing. Even before we take our first breath, we are already learning. Learning can be time-consuming, but it should never be difficult. Learning is also a very satisfying activity. Children all enthusiastically love to learn before they start school.
Every person masters a tremendous number of facts in their lifetime.
These people are all better qualified, richer, more experienced and better equipped than ever before. The problem is that there is no way to quantify knowledge. If you can quantify knowledge you get three benefits. People can negotiate clear and precise expectations, they can measure performance explicitly, and you can automate the process. I feel that all that is needed is the addition of a good theory, a good method, and a good software tool.