Snapchat and Disappearing-Message Apps Vex Schools

Education Week: Schools are facing growing challenges from so-called "ephemeral messaging" apps, which allow users to send mobile-to-mobile content that disappears without a record after it has been read by the intended recipient.

Take Snapchat, which a growing number of teachers cite as a cause of classroom disruption. Some districts are moving to block student access to the popular app, which now claims more than 100 million users worldwide.

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