To many, routers are the proverbial “man behind the curtain”. We all know they are there, and that they are integral to getting our data from Point A to Point B, but how? Why do I need a router? How does a router magically know how to get an email from my home in Houston, TX, to a recipient in Singapore? David Davis has addressed these concepts in an article on SearchNetworking.com. It is not a long article, but it gives you a quick and simple explanation for how routers use MAC addresses and IP addresses and how your data is handled to get to its final destination. Check out How Routers Work to learn more.