Episode 2
Network Ports Explained... Like I'm Five
Henry the pizza-delivery hedgehog has three pizzas to drop off on Oak Street. Learn what network ports are, why one might be open, closed or blocked by a firewall, and how TCP and UDP differ.
Tech Like I'm Five The Episodes
Every Tech Like I'm Five episode, with a link to watch it on YouTube and a cheat sheet to go with it.
Episode 1
DNS Explained... Like I'm Five
Your computer is terrible with names. Meet DNS, the internet's Contacts app that turns names like techlikeimfive.com into the numbers computers actually use.