Profound Logic TV Educational Videos for the IBM i (iSeries / AS400) Professional www.profoundlogic.tv If you are modernizing AS/400 RPG or Cobol applications, you should be learning and familiarizing yourself with the concept of AJAX. Why is AJAX such a big deal? To answer this question, I introduce you to something about browser development that you may not have realized. This realization explains why AJAX is so relevant. I then provide an example of how AJAX is used to simplify form processing for both developers and end-users.