It's hard to believe that only about 10 to 15 years ago (depending on your level of geekiness) the Internet was a strange new world. And now it's impossible to imagine life without it. We can't even remember how we booked hotel rooms way back then -- or kept in touch with people. Can you imagine trying to write a term paper without the Internet? You might practically live your life on the Internet, but how much do you really know about it? Test your knowledge here.