Similar to the 7 types of iPhone owners, these same rules apply to people on Facebook as well. Whether it be the “hyena”, a user who doesn’t really say anything except for LOLs, or the “rooster”, one who says good morning every single day, we’ve got you covered. Continue reading to see them all.

A January 2009 Compete.com study ranked Facebook as the most used social networking service by worldwide monthly active users. Entertainment Weekly included the site on its end-of-the-decade “best-of” list, saying, “How on earth did we stalk our exes, remember our co-workers’ birthdays, bug our friends, and play a rousing game of Scrabulous before Facebook?” Critics, such as Facebook Detox, state that Facebook has turned into a national obsession in the United States, resulting in vast amounts of time lost and encouraging narcissism. Quantcast estimates Facebook has 138.9 million monthly unique U.S. visitors in May 2011.

According to Social Media Today, in April 2010 an estimated 41.6% of the U.S. population had a Facebook account. Nevertheless, Facebook’s market growth started to stall in some regions, with the site losing 7 million active users in the United States and Canada in May 2011. In September 2012, Zuckerberg speaking about the drop in his company’s market value, described the decline as “disappointing” – the value of Facebook being almost half the $38 debut price in May 2012.

[Sources 1 | 2 | 3]