Since I don’t know many in this mob, I try not to be personally revealing. Still, no matter how innocuous your individual tweets, the aggregate ends up being the foundation of a scary-deep self-portrait. It’s like a psychographic version of strip poker—I’m disrobing, 140 characters at a time.

For a reality check, I called Marc Rotenberg, head of the Electronic Privacy Information Center and an utter hawk when it comes to protecting personal data. He told me to relax. “One aspect of privacy is the ability to project yourself as you choose,” he says. Services like Facebook and Twitter are strictly opt-in, so as long as the information isn’t divvied out to marketers, Rotenberg is OK with it: “That is freedom.”

Keep in mind that your information most definitely is being perused by marketers (via Search.twitter.com) both large and small (so Rotenberg is mistaken on that count). The old adage holds: What you put out into the Internet, you can never take back. So checketycheck yourself 🙂

Seriously, you are projecting out a personal brand, whether you like it or not. Only options are to either not participate at all, or participate and be aware of /manage that “brand”.

Hint: This is always going on in everyone’s (real) life regardless, as your friends and family carry a “brand image” of you in their minds as well. Twitter, etc. is just a different, and more public/global medium.

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