when you use the internet what happens room you whether you go online to chat with a friend or send mail i buy a book my check the weather watch a movie study the peloponnesian war room it feels like there's one wire connecting you directly to the thing you want ruled but billion other people are connecting to a billion other things at the same time house happen cool it's really about making agreements mower think networking as a game you it only works if we agreed to play the same rules if you could get two or mor computers to play together you have a number on if you friend can do it to me there's another networking cool but you can both agree that your networks were played the same way now you can hook the two together who have been inter network any