Everyone knows about youtube.it is the best part of social network.many contents are there like comedian, love, learning.best part of youtube is it is a very useful app for children and mens.parents need to know that youtube is a video-sharing site and app, and there are many sites of youtube that may not be age-appropriate for their kids.the site is entirely user-genterated and relies on its community to flag videos that violate youtube’s term of service.this is one of the web’s most popular destinations for people of all ages.