Throughout, jurors remained stone-faced as they followed the words on screens before them while Walsh read them aloud in a federal courthouse in Manhattan, where the charges of conspiracy to kidnap and improper use of a federal database system could bring Valle, 28, a life sentence if he's convicted.

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The data in the system must be protected from improper use, and limitations on improper use must be included.

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Nester said the SEC has taken additional steps to enhance protections against "the potential for improper conduct, " including developing a new computer system to facilitate reporting and review of securities trading by all SEC personnel, hiring a chief compliance officer and providing greater clarity of rules governing the reporting of trades.

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"Even if Google comes up with an airtight filtering system, that doesn't moot the charge that they've done something improper in the past, " says Boehm, who has been an outspoken critic of Google's intellectual property policies.

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