This is a great concept that needs to be embraced by organisations. However, it requires a right frame of thinking to implement it. Often times employees look down upon new employees. Granted, they also have vital skills and know-how on technological issues and other areas. 
Staff need to ne ecouraged to embraxe this technique.

Reverse mentoring learning from younger employees 

Reading the article allowed me to sit with my team and work out how they can assist me with some systems and process areas that they have great knowledge on. It has given them confidence to speak up more and challenge ideas