The biggest problem faced by Industry or education today is the lack of innovation, mobility and an easy evaluation or assessment tool. One important challenge is shortage of suitable customisable assessment tools and database of evaluation results. So, it is important to assess and evaluate repeatedly to have proper assessment. Repetitive learning is also effective in improving skills that are key for success of an enterprise or institution. It is necessary to understand the current level and increase the level of understanding by repeating such exercise.

German psychologist Hermann Ebbinghaus made several findings that are still relevant and supported to this day. Arguably his most famous finding, was the forgetting curve. The forgetting curve describes the exponential loss of information that one has learned. When people learn something, they forget.