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I believe Community Wiki emerged on SO primarily as a way of preventing abuse of the reputation system. See the FAQ entry on SO's Meta.

• Posts are automatically marked as CW if they are edited more than a certain number of times (since editing a post bumps it to the top of the homepage, this acts as a way of preventing people from "spamming" the homepage in an attempt to gain unfair reputation-by-exposure).
• For popular but not constructive questions, moderators often mark the question and all its answers as CW so that nobody benefits from participating in an off-topic or otherwise not-good-fit question, but they can still keep the content around (you'll see this a lot on "polling" questions).

You might also find the SE blog post on "The the Future [sic] of Community Wiki"Wiki to be of interest.

One thing to note is that CW was considered to be much more important on SE before they implemented peer-reviewed editing... which, incidentally, is a feature I would love to see in Askbot (:

I believe Community Wiki emerged on SO primarily as a way of preventing abuse of the reputation system. See the FAQ entry on SO's Meta.

• Posts are automatically marked as CW if they are edited more than a certain number of times (since editing a post bumps it to the top of the homepage, this acts as a way of preventing people from "spamming" the homepage in an attempt to gain unfair reputation-by-exposure).
• For popular but not constructive questions, moderators often mark the question and all its answers as CW so that nobody benefits from participating in an off-topic or otherwise not-good-fit question, but they can still keep the content around (you'll see this a lot on "polling" questions).

You might also find the SE blog post on the Future of Community Wiki to be of interest.

One thing to note is that CW was considered to be much more important on SE before they implemented peer-reviewed editing... which, incidentally, is a feature I would love to see in Askbot Askbot (:

I believe Community Wiki emerged on SO primarily as a way of preventing abuse of the reputation system. See the FAQ entry on SO's Meta.

• Posts are automatically marked as CW if they are edited more than a certain number of times (since editing a post bumps it to the top of the homepage, this acts as a way of preventing people from "spamming" the homepage in an attempt to gain unfair reputation-by-exposure).
• For popular but not constructive questions, moderators often mark the question and all its answers as CW so that nobody benefits from participating in an off-topic or otherwise not-good-fit question, but they can still keep the content around (you'll see this a lot on "polling" questions).

You might also find the SE blog post on the Future of Community Wiki to be of interest.

One thing to note is that CW was considered to be much more important on SE before they implemented peer-reviewed editing... which, incidentally, is a feature I would love to see in Askbot (:.

I believe Community Wiki emerged on SO primarily as a way of preventing abuse of the reputation system. See the FAQ entry on SO's Meta.

• Posts are automatically marked as CW if they are edited more than a certain number of times (since editing a post bumps it to the top of the homepage, this acts as a way of preventing people from "spamming" the homepage in an attempt to gain unfair reputation-by-exposure).
• For popular but not constructive questions, moderators often mark the question and all its answers as CW so that nobody benefits from participating in an off-topic or otherwise not-good-fit question, but they can still keep the content around (you'll (you'll see this a lot on "polling" questions).questions).

You might also find the SE blog post on the Future of Community Wiki to be of interest.

One thing to note is that CW was considered to be much more important on SE before they implemented peer-reviewed editing.