No you don't need a google account to have google chrome
No it's not compulsory to have google account you can use any other email id to create an account in youtube.
Looking at the mainframe, I do believe over 9000.
ahhh , it has to be billions of people because google is like the worlds most realiable data finder it has more than a trillion answers .(:
It's not google but Googol and it represents 10^100: the digit 1 followed by one hundred zeros