Today, the U.S. Federal Emergency Management Agency (FEMA) tested out a new alert system that sent a text to every cellphone in the country.

Every. single. one.

The test text, titled a "Presidential Alert," appeared to come from Donald Trump himself.

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TL;DR A test emergency alert text was just sent to everyone in the United States. It appeared to come from Trump, himself. There are the 21 funniest reactions.

This was the original text:

The text sent to millions of devices came with zero warning.

Naturally, it became an instant meme.

There are the twenty five most hilarious reactions:

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