Ask any training providers they will tell you theoretical training is fading away. To adopt information users are looking for the luxury of a practical encounter with the subject. It's quite clear that rote memorization of facts and formulas are often forgotten almost immediately after the course is completed. Virtual which involves self-paced & hands-on learning engages trainees ensuring that information is retained as opposed to temporarily memorized and forgotten. This allows trainees to execute what they have learned into the workplace right away.