Question: Now that we have this network, I'm sure there'll be newbies coming in asking questions like,

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> How do I get started with Mozilla/KDE/etc?
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or

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> How do I start contributing to project xyz?
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I guess these questions would be very organisation specific, and would spam the network. Would these questions be relevant?

Answer: 
Both of these questions *feel* like lack of research type questions. Presumably projects that want contributions from others will provide such answers on their web page/CONTRIBUTING/README/etc. 

I do not think we should be the switchboard for projects. If a user wants to contribute, they should be visiting the project and looking at their guidelines not asking us to do it for them.
These "where do I start" sort of questions will attract opinions and most likely spam (ex. You should start with this). They will be closed for a multitude of reasons. If people want to start and get support for a project, then they should go to the project's existing contributors, or owners.

If we get a bunch of "newbies" asking these sorts of questions, the site could adapt to create a specific reason for closure to send a message to provide well thought out questions if they still apply, or to go directly to the project itself.