It’s been a big week for the group chat.

On Monday, the Atlantic’s editor-in-chief Jeffrey Goldberg published a story revealing that National Security Advisor Michael Waltz accidentally added him to a Signal thread where top Trump cabinet members were discussing upcoming military strikes in Yemen.

First, the Trump administration denied that top Trump officials shared “war plans” in the chat. Then, on Wednesday, the Atlantic published more screenshots of the conversation – titled “Houthi PC small group” – in which US Defense Secretary Pete Hegseth detailed the precise timing and coordination of American fighter jet take-offs for the strike.

Now, a federal watchdog group is suing members of the administration in the group chat for violating the Federal Records Act. Messier still, the federal judge overseeing the lawsuit is already a Trump administration enemy, thanks to his ruling that they must stop deporting some Venezuelan migrants. The whole security breach has thrown the White House into a state of simultaneous denial and disarray.

As the fallout from the now-infamous Signal chat continues to unfold, Sean Rameswaram sought a different type of lesson from this week’s news: a lesson on texting. For Today, Explained, co-host Rameswaram spoke with Washington Post internet culture reporter Tatum Hunter about the do’s and don’ts of texting in the modern age, and the messaging etiquette lessons we could all learn from the Signal group chat fiasco.

Click the link below to hear the whole conversation. The following is a transcript edited for length and clarity.

Tatum, you........

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