application layer

Whooooo Are You? 🎵 When you go into your phone to text someone, do you enter their phone number every single time? Absolutely not, that would be a nightmare1, so we have software on our phones where we can enter the name of a person and it will be converted to a phone number for us: contacts.

Text and its Hyperactive Cousin - HTTP When you browse around on the web, you will find that not only do you go to domain names like google.com, but many times there will be more additional information after that, such as wjmccann.