Learn about the fascinating and fun world of computer networks and the Internet - with no previous knowledge required. Have you ever wondered how the Internet works? Or computer networks in general? Have you tried learning this in the past, but found it too confusing or intimidating? Then this talk might be for you. We will start with a walkthrough of how data crosses your home network. Building on this, we will talk about how data reaches your internet provider continues its travels through the Internet. We will briefly touch on different technologies that are used (cabled vs wifi networking), talk about internet providers, and give a high-level explanation of how pathfinding works in the Internet. Afterwards you will have an idea of how Ethernet, and common Internet Protocols (DHCP, DNS, BGP). While we cannot cover everything, we will show you how to learn more about this fascinating world. The talk will show a network simulator that you can use to experiment with computer network techniques at home. It will also show how you can participate in a large network (DN42) to try different Internet technologies yourself.