Freedom means the ability see all source code and to learn from others.

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The source code for all of these systems is closely held by the five big voting machine companies.

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Point it at a site or an entire domain, such as .edu, and it generates a list of e-mails, log-in screens, database errors and source code, all of which are classic ways to gain entry onto a server.

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"The reason the researchers could discover it at all is because we publish the source code for peer review, " Jones adds.

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This in and of itself is admirable, but the BBC has taken it one step further and put the source code out there for all to see and use.

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As such, Puzzlebox will also freely distribute all material in relation to the project, from the source code to the hardware schematics to how-to guides for dismantling and reassembling the whole thing.

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All the code that Microsoft has developed for connecting Windows to Hadoop will be Open Source.

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When we went into deliberation in the jury room we not only had all the physical evidence of everything that was presented, but we also had sealed source code in its entirety from both sides, we actually had the memos that were talked about in the trial... and there was a piece of evidence after a piece of evidence that just clearly stacked up.

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The goal, obviously, is to stop the spread of a malicious piece of code by finding and shutting down, not just the source, but all middleman PCs that are also now potential hosts.

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