How to Learn Effectively and Efficiently

Do you ever feel like you have learned a lot but all you have learned seem useless? If you answer yes, don't be disappointed. There are many people out there who feel the same. They have read a lot, exercised so many times, and done whatever it takes but they feel that their brain is still empty. Exactly similar to what you feel, right? So, what's wrong with your and their learning?Well, actually