Nah, even if you open the thread in a new tab, there's a limit to how many comments open. The rest get collapsed after a certain number. So if everyone were replying with friendmeme details to the same comment, only about 25 or so would show, then the rest get collapsed and need to be opened individually.
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still, the first comment is not hidden, and if anybody wanted to continue reading, they'd just open the thread in a new tab.
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Turn off the add-on and check http://community.livejournal.com/fandomsecrets/547888.html?thread=344937008#t344937008 there for what happens
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