Want to keep up with your closest friends and family on Facebook but don't want to expose yourself to people you didn't even talk to in high school but now want to friend you as part of a relentless campaign to get armies of friends? Make a Facebook page for your pet dog, your pet canary, your imaginary friend from childhood—so only people who really know you will be able to find you. (And don't forget to flip on all the appropriate privacy settings—ask a teenager for help, even if you think you don't need it.)
It's an easy way to just check in on old friends, and see what's going on in the world. On that note, Twitter is becoming a great way to check in with the latest news because so many news organizations and companies are issuing insta-messages through Twitter.
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