It's that time of year again when everyone feels the need to make a list about things that happened over the previous year. Here are some of my favorite end of year lists:

• 2012.Twitter - A summary of 2012 on Twitter. Topics including: Golden Tweets, Pulse of the Planet, Only on Twitter, Trends, New Voices, Your Year on Twitter
• Google's Zeitgeist - 1.2 trillion searches, 146 languages. What did the world search for in 2012?
• Facebook Year in Review 2012 - A look back at the people, moments and things that created the most buzz in 2012 among the billion people around the world on Facebook.
• The 10 Most Overused LinkedIn Profile Buzzwords of 2012 - LinkedIn revealed its annual list of the 10 most-overused buzzwords job hunters use on the social network and "creative" was once again at the top of the list both globally and in the U.S.
• 20 Most Shared Ads of 2012 - Mashable's list of the 20 most shared advertisements