Let's pretend that this is a really really long article and you only want the first two lines (or so) to display initially, but want users to be able to "read more" if they want to and don't want them to have to leave the page.
Congratulations!
You've expanded the article and can now read all of the story! When you are done reading, you can collapse the story back to the summary view, by clicking "Read Less" link.
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