Youtube application is wonderful mobile application and pc application I used nearly 5 year so I tell about true experience best application in the world most flim and videos and extracurricular activities done here fully video based but different section videos collection full concept of this application and features knowledge gain and learn everything in your .most of about I learning from this application and cook also I learning.no age limit to learning so kids to adult every one to use this application for very useful this learning and entertainment for fully free cost and also upload video we can earn also and look also good very user-friendly best application in the world.