With the 100th anniversary of the Titanic's sinking, the Ms Balmoral cruise, and the release of Titanic 3D, the movie, it's easy to get a little confused.
But we all know the Titanic actually happened, right? Or not.
As the anniversary dawns, we managed to find some tweeters who were not aware that Titanic the movie was based on a true life story - and have now vowed to stay away from boats, forever.
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