Asking stupid questions that could easily be looked up is insulting to people, because it infers that your time is more valueable than theirs, or that you have some sense of
entitlement, wherein the rest of the world is at your dispose.
Why would people want to engage in discussion with someone so clueless and lazy?
Learn how to use google, or better yet Bing. The satisfaction you get from being able to answer your own question while improving your critical analysis skills will benefit you greatly.