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Git is an excellent,
and industry-recognized

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version-control system.

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GitHub.com, the website,
makes that accessible to everyone.

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♪ (whimsical theme music) ♪

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It's easy to think that you could host

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your Git repositories anywhere.

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There's plenty of services,

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and plenty of tools for you to host them

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even within your own corporate firewall.

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But there's more
than just hosting your code.

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We're talking about changing software,

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and that includes all types,
and all facets of collaboration:

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filing issues, organizing repositories
so they're easy to find,

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being able to mention
the contributors by user name,

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and the ability to have control
over the inbound changes,

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through the concept
that we call <i>pull requests</i>.

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All of these are facilitated
by GitHub.com,

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a collaboration platform
that also hosts Git repositories.

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♪ (whimsical theme music) ♪

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Your first interaction with GitHub
is likely through the <i>Explore</i> page,

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finding a bit of open source

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that solves a need
in your current application.

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But soon, you'll find
you want to file an issue,

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or perhaps even
submit a change to a project

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that improves it, or corrects a defect.

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Those are all things
that are made possible

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by the GitHub platform.

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You'll find that we have solutions,

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such as an integrated defect tracker,

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and the process of pull requests,

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to which code change can get reviewed,

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commented on, refined,
and then finally accepted,

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even for people
that are not core contributors

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to the project itself.

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GitHub adds further innovations
that allow Git to go places

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that it wouldn't ordinarily
have been welcome.

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For example, we have an SvnBridge
that allows any Git repository

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to be treated as a subversion repository.

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This often facilitates a slow migration

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of continuous integration infrastructure,

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build scripts, or other automation

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that you've built into
your release process.