London, Dec 14 (ANI): Microblogging website Twitter has revealed the subjects people talked about the most this year, and it includes singer Justin Bieber, the movie 'Inception', the Gulf oil spill, and blowing a vuvuzela.
The most popular term of all was "Gulf oil spill", referring to the accident on board the Deepwater Horizon oilrig in the Gulf of Mexico in April which caused the biggest environmental disaster America has ever seen, the Daily Mail reported.
The FIFA World Cup also made it to the list, along with science fiction movie 'Inception', starring Leonardo DiCaprio, the Haiti Earthquake, and the Vuvuzuela, a deafening horn used by supporters at the World Cup.
'Harry Potter and the Deathly Hallows' also made it to the list even though it was only released this month, followed by teen fantasy action comedy 'Scott Pilgrim vs. the World'.
When it came to sports, U.S. basketball player LeBron James was the most popular search, followed by the Wimbledon Tennis tournament and by Manchester United.
Teen pop sensation Bieber was the most searched-for person, followed by Brazilian president-elect Dilma Rouseff and then Lady Gaga.
Wikileaks founder Julian Assange also made the list, followed by actor Mel Gibson who has been involved in a bitter and public battle with ex-girlfriend Oksana Grigorieva that has dragged on throughout most of the year.
Where technology is concerned, Apple's iPad, which launched this year, was the most popular term, followed by Google's Android phone, the iPhone and the computer game Call of Duty Black Ops.
The television programme most tweeted about was the MTV Music Video Awards, followed by vampire drama 'True Blood'.
Twitter's official blog states that an algorithm that "attempts to identify topics that are being talked about more right now than they were previously" calculated its Trends for 2010.
The Trends list is designed to help people discover the "most breaking" breaking news from across the world, in real-time. The Trends list captures the hottest emerging topics, not just what's most popular. (ANI)