Youtube mobile app is very useful for recieving any kind of information in the world.Before launching this app youtube was used by only computer users.But now the things are changed, anyone can use youtube through this app.It mainly consists of good and bad videos.The things which are GOOD: 1) It help us to know about new technology.2) We can find videos of any category.3) It shows us trending videos and also gives live of few channels.NOW things which are BAD: 1) IT shows many fake videos uploaded by others.2) IT sometimes show adult content.