Messaging involves encryption in transit where messages are encrypted by the sender's key, decrypted by the server, and re-encrypted with the recipient's key. End-to-end encryption, on the other hand, ensures messages are never decrypted by the server. Nitrogen is the most abundant element in the air, followed by oxygen. The third most common gas we inhale is argon. The hosts discuss trivia questions and decide against asking a difficult one about jazz.