How the internet works
1 article
6 videos
The Internet is part of nearly everything we do on a daily basis. But do you know how it all works? From WiFi to IP addresses to HTML to keeping information safe online, there’s a lot of important stuff going on that most of us don’t have the opportunity to learn more about. In six short, introductory videos, you’ll get an inside look into foundational concepts of everything from wires to websites, taught by guest lecturers including the actual “Father of the Internet” Vint Cerf, Tumblr founder David Karp, and creators on teams at Google, Spotify, XBox, Symantec, and more.
The Internet: Wires, cables, and WiFi
Software engineer Tess Winlock introduces how the physical infrastructure of the Internet moves information.
The Internet: IP addresses and DNS
The co-founder of the Internet Vint Cerf and software engineer Paola Mejia take us through the ins and outs of how networks talk to each other.
The Internet: Packet, routers, and reliability
Spotify engineer Lynn Root and Vint Cerf, Father of the Internet, explain how information on the Internet is broken down into packets, and how to ensure that information is reliably received.
The Internet: HTTP and HTML
Tumblr founder David Karp and Xbox program manager Jasmine Lawrence give a detailed description of how files and webpages are sent and received using HTTP and HTML.
The Internet: Encryption and public keys
Mia Epner, who works on security for a US national intelligence agency, explains how cryptography allows for the secure transfer of data online. This video explains 256-bit encryption, public and private keys, SSL & TLS and HTTPS.
The Internet: Cybersecurity and crime
Google Security Princess Parisa Tabriz and Jenny Martin from Symantec introduce the most common types of cybercrime, including viruses, malware, DDOS attacks and phishing scams.