Wikipedia is undoubtedly the goto place for most of the questions. In case, you have never heard of Wikipedia(though that is highly unlikely), here is what it is:
Wikipedia is a free encyclopaedia, written collaboratively by the people who use it. It is a special type of website designed to make collaboration easy, called a wiki. Many people are constantly improving Wikipedia, making thousands of changes per hour.
Wikipedia is a free encyclopaedia, written collaboratively by the people who use it. It is a special type of website designed to make collaboration easy, called a wiki. Many people are constantly improving Wikipedia, making thousands of changes per hour.