Remember what a stamp was? You’d slap it on an envelope, and the letter inside remained private. But technology has changed—and so has privacy expectations of work communications. When employees send text messages on employer-provided phones, are those texts as private as a message in a bottle … or a message in the sky? The U.S. Supreme Court penned a long-awaited warning last week: For now, employees shouldn’t expect text messages at work to be private.