This is the most best searching place any thing you want to know type on you tube and youtube gona give you the best option to learn and explorer basically it is a website which give you the video of almost anything and by watching the video you can learn that thing more easily and fast and it a google product so it is most trusted among all and you can also upload your own video and you can attach your channel with google adsence(another google website) you can earn good money according to the views on your videos