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Security

Use your fingerprint to unlock your phone? You just gave up some rights

Questions over the 5th Amendment are raised when judges can order you to unlock a device with your print -- but you can't be forced to give up your password. Also, Sony may have its own legal trouble with a video-recording contact lens, and celebrities at the Met Gala attempt to bring tech to fashion.

Using a fingerprint to unlock a phone makes it easier for authorities to search your device.

When you hear, "You have the right to remain silent," that's a right powered by the 5th Amendment, protecting US citizens from incriminating themselves in a court of law. Because of it, citizens can't be forced to tell police the password to access their email or their phone. But biometric passwords -- like fingerprints -- are a loophole for authorities. CNET Update explains:

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Also in this roundup, learn about Sony's latest project that could become its own legal mess: c​ontact lenses that record what you see. Meanwhile, in other tech you can wear, IBM created a gown for the Met Gala that responded to social media comments. But not all celebrities hit the tech theme target for this costume event.

CNET Update delivers the tech news you need in under 3 minutes. Watch Bridget Carey every afternoon for a breakdown of the big stories, hot devices, new apps and what's ahead. Subscribe to the podcast via the links below.

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Use your fingerprint to unlock your phone? You just gave up some rights