I am a little confused about the words "microphone" and "megaphone." In Greek, "micro" means small, "mega" means big, and "phone" means sound. But then why do megaphones and microphones do the same thing? A microphone should make your voice softer, which could be useful if you want to whisper a secret to someone. In fact, from now on I am going to use the word "microphone" to mean the device that makes your voice smaller. "Dude, you are too loud - you need a microphone." That should clear up any confusion.