There are a bunch of threads on the topic. But in short, they are guest organized secret santa type exchanges. You can sign up through many different places, though participation from those areas varies greatly as it does by cruise. You may find less people want to do it for your sailing if it is a 3 day cruise, vs. a 7 day one. DIS Boards has a cruise meet forum HERE. And you can check other websites like Cruise Critic and "book of faces" for your sailing as well. You should always be aware of personal privacy any time you post personal information on the internet.
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