On the Twitter blog today, Chief Scientist Abdur released a summary chart of the most popular trending topics on the social platform during 2009:

Microsoft’s Windows 7 did make the Top 10 Technology searches, but no such luck for Bing. In addition to the major news events of the year like the Iran Election (a popular topic for real time searches), Michael Jackson’s death and Swine Flu/H1N1, the weekly favorite, #MusicMonday made the list, but no mention of #FollowFriday.

Similarly, YouTube also released the most popular videos of 2009, with few surprises:

Most Watched YouTube videos (Global)

1. Susan Boyle – Britain’s Got Talent (120+ million views) 2. David After Dentist (37+ million views) 3. JK Wedding Entrance Dance (33+ million views) 4. New Moon Movie Trailer (31+ million views) 5. Evian Roller Babies (27+ million views)

Related Topics: Search Headlines | Stats: Popularity

About The Author: Elisabeth Osmeloski is the Executive Features Editor for Search Engine Land, responsible for managing all editorial content from guest contributors and regular articles from expert columnists. She also covers news relevant to the travel search industry and topics related to entertainment search. Follow her on Twitter @elisabethos. See more articles by Elisabeth Osmeloski