Twitter Users Beware: Homeland Security Isn’t Laughing

Planning to make a joke on Twitter about bombing something? You might want to reconsider: According to a report from Britain, two tourists were detained and denied entry into the U.S. recently after they joked about destroying America and digging up Marilyn Monroe. That the Homeland Security Dept. and other authorities—including the FBI—are monitoring such social media as Twitter and Facebook isn’t surprising. That these authorities are willing to detain people based on what is clearly a harmless joke, however, raises questions about what the impact of all that monitoring will be.

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