How Much do you know about YouTube?

1- What is the role of PayPal in YouTube Creation? 2- Which Video was first uploaded on YouTube? 3- What is uTube and how it relates to YouTube? 4- Which one is the most viewed video all the time? 5- What is/are the name/s of YouTube founder/founders? 6- When they registered the domain name YouTube.com? Read the blog to know the answer of all these questions -