Snapchat is a mobile messaging application used to share photos, videos, text, and drawings. It's free to download the app and free to send messages using it. It has become hugely popular in a very short space of time, especially with young people. There is one feature that makes Snapchat different from other forms of texting and photo sharing: the messages disappear from the recipient's phone after a few seconds. No matter how much experience you have with Snapchat, the chances are you have some questions about how this social media platform works. We present our beginner's guide to using Snapchat.