One of the great capabilities of SharePoint Server is the ability of including reusable content: standard snippets of HTML which you can use in different places over and over again without having to copy & paste it. The great thing about Reusable Content is that you have the option to insert a reference instead of the copy of the content so that if the content snippet ever changes, you won’t have to manually check every single page in your site to ensure that the content is correct: SharePoint will do this for you automatically. While this piece of functionality is really great you wouldn’t believe how inconvenient it is to get to this list to add new content snippets in there.
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