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Now Playing: 2-22-13 Marketplace Tech: Unlocking Your Phone and Family Tech Policy

Unlocking your phone might not be illegal, but you still might get in trouble with the law for doing it. It's a gray area, and some people are upset about a rule change by the Library of Congress that could impact the way users do business with cellphone carriers. That's why they started a petition to force the White House to address the issue -- and the petition now has enough signatures to make the administration take another look. Meanwhile, how do you broach a different kind of rule: the one that governs the way you and your family interact with tech in the home?