This is probably one of CNN’s greatest posts.

Facebook, for better or worse, is like being at a big party with all your friends, family, acquaintances and co-workers.

There are lots of fun, interesting people you’re happy to talk to when they stroll up. Then there are the other people, the ones who make you cringe when you see them coming. This article is about those people.

Sure, Facebook can be a great tool for keeping up with folks who are important to you. Take the status update, the 160-character message that users post in response to the question, “What’s on your mind?” An artful, witty or newsy status update is a pleasure — a real-time, tiny window into a friend’s life.

But far more posts read like navel-gazing diary entries, or worse, spam. A recent study categorized 40 percent of Twitter tweets as “pointless babble,” and it wouldn’t be surprising if updates on Facebook, still a fast-growing social network, break down in a similar way.

Combine dull status updates with shameless self-promoters, “friend-padders” and that friend of a friend who sends you quizzes every day, and Facebook becomes a daily reminder of why some people can get on your nerves.

Here are 12 of the most annoying types of Facebook users:

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