Kate Washburn didn't know what to make of the email a friend sent to her office with the abbreviation "NSFW" written at the bottom. Then she clicked through the attached sideshow, titled "Awkward Family Photos." It included shots of a family in furry "nude" suits and of another family alongside a male walrus in a revealing pose.
After looking up NSFW on NetLingo.com--a Web site that provides definitions of Internet and texting terms--she discovered what it stood for: "Not safe for work."
"If I would have known it wasn't safe for work, I wouldn't have taken the chance of being inappropriate," says Ms. Washburn, 37 years old, a media consultant in Grand Rapids, Mich.
As text-messaging shorthand becomes increasingly widespread in emails, text messages and Tweets, people like Ms. Washburn are scrambling to decode it. In many offices, a working knowledge of text-speak is becoming de rigueur. And at home, parents need to know the lingo in order to keep up with--and sometimes police--their children.
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