Medhi Pirzadeh works in Maryland, but, he can be found all over the world.

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His profile is listed on a site called Ziggs.com. It's kind of an upscale Facebook for the professional set.

"The reality is that people will do searches on me," says Pirzadeh.

But, he's not worried about being strung out in cyberspace because he controls what people read about him. His employer, Mason Dixon, likes that idea. They encourage every employee to do the same thing.