Confirm, emeritus
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Tweak intro paragraph
=Guiding Principles=
Mozilla aims to advance the state of the web platform with new features. In the last few past years, Mozilla has shipped experimental features with a "moz" prefix to indicate their lack of standardization (e.g., <code>mozRequestAnimationFrame()</code>). Unfortunately, this approach turned out to be harmful to the web as experimental features ended up being used in some websites before they were ready. In many cases, this meant that we were unable to innovate on certain features because to change them would break content on the web. Browsers have in some cases also been forced to implement each other's prefixed features. Therefore, to allow us to continue innovating without negatively affecting content on the web, '''Mozilla will no longer ship new "moz"-prefixed features''' (see [https://groups.google.com/forum/#!topic/mozilla.dev.platform/34JfwyEh5e4 Henri Sivonen's proposal]).
We will instead make experimental features available behind preferences which can be toggled through <code>about:config</code>. Once we feel there is an acceptable level of consensus in the web community about the stability of an feature and we feel it is ready, we will make it generally available to the web platform (more details below on this process). We feel this strikes the right balance between allowing developers to experiment with new features, while at the same time protecting the Web from being exposed to new functionality prematurely.
