Ive been studying a program called React, it basically lets you compile javascript libraries. Are you interested in it? 
Yes, i am interested. Could you explain it some more briefly?
Well react is used by Facebook, Instagram and a whole community of developers and even corporations. It lets you built the very interfaces you interact with on websites. 
What is the use of react? It a social networking site?
Not just social networking, for any website really, It provides speed, simplicity, and lots of scalability to let developers make the websites look and feel better to the end users. 
Its very interesting. How can i get react?
React was created by Jordan Walke hes a software engineer at Facebook and I believe he has React listed on github if you want to check it out.