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 Reminder: at (about) 2:20pm Eastern time, the US will be testing the Emergency Alert System (for broadcast radio and TV) and the Wireless Emergency Alert system (for cellular phones). The tests don't track recipients, but the audible alarm that will play on phones may cause problems for some people.

If you have a "secret" phone that you're hiding from, say, an abusive partner, you might want to turn it completely off between 2pm and 3pm EDT today (11am and noon PDT).