Current Twitter trends: Choi Siwon, Google Buzz, 'one tweet breakup'

The 'now playing' hashtag has retaken the top position in the list of trending topics on Twitter on February 10 at 9:30 AM GMT.

Members of Korean boy bands are a popular topic of conversation on Twitter. This morning people are sending out birthday wishes to Super Junior member Choi Si-won. The singer and actor is celebrating his 23rd birthday on February 10.

A new social networking service is creating a buzz in the Twittersphere. Google Buzz "is a new way to start conversations about the things you find interesting," wrote a chorus of Twitter users reiterating Google's February 9 announcement.

Google Buzz is integrated into Google's email client, Gmail, and makes it easy for users to share short status updates, photos, videos and links both privately and publicly in real time.

Apple's tablet device, the iPad, remains unchanged in eighth position.

"#1tweetbreakup" moved into the ninth spot on Twitter's list of trending topics on February 10 as people tweeted about how they would use the social networking service to break up with someone. "It's not you it's your tweets", "you just don't tweet me like you use to" and "you are so not trending anymore!" were trending suggestions.

The top 10 most talked about topics on Twitter on February 10 at 9:30 AM GMT are:

1. #nowplaying (new)
2. #bayareafemales (new)
3. Choi Siwon (new)
4. Google Buzz (new)
5. #ShootUrSelf (new)
6. #OhJustLikeMe (+3)
7. #ihatequotes (new)
8. iPad (unchanged)
9. #1tweetbreakup (new)
10. Opera Mini (new)