(一)
Someday a stranger will read your email without your permission or scan the websites you’ve visited.Or perhaps someone will casually glance through your credit card purchases or cell phone bills to find out your shopping preferences or calling habits.
In fact，it’s likely that some of these things have already happened to you.Who would watch you without your permission? It might be a girlfriend，a marketing company, a boss，a policeman or a criminal.Whoever it is，they will see you in a way you never intended to be seen—the 21st century equal to being caught naked(裸露的)．
Psychologists tell us boundaries are healthy, though it’s important to reveal(透露)yourself to friends，family and lovers in stages，at appropriate times.Actually few boundaries remain.The digital bread
