填空题

Think before you post. You might not be aware of how much information you’re (47)
That’s the message from the founders of Please Rob Me, a website launched last week that (48) just how easy it is to rob people blind on the basis of the information they’re posting on the Web. The site uses streams of data from foursquare, a(n) (49) popular location-based social network that is based on a game-like premise. Players use smart phones or laptops to "check in" to a location, (50) their position on a map for friends suing the service to see. The more often you check in, the better your chances of being declared the mayor of a (51) location, be it a restaurant, bar, office or even your own home.
The problem comes when users also post these locations to Twitter, says Boy van Amstel, one of the founders of Please Rob Me. Then the information becomes (52) available, making it possible for a robber to keep a close watch on when you say you’re in your home or not.
So how can you keep yourself off Please Rob Me and, more important, keep your home out of the police notebook A little foresight goes a long way. Sites like Foursquare and its competitors don’t post your location unless you give it to them, nor is it posted to Twitter without your (53) . It’s always up to the user to (54) what to post. Are you going to get robbed because you’re oversharing It’s (55) But Please Rob Me shows that sometimes a little (56) online can go a long way.
Word Bank
A. illustrates B. likely C. publicly
D. particular E. decide F. excessively
G. realize H) caution I) typical
J) increasingly K) revealing L) unlikely
M) means N) consent O) recording