Last Update on November 20, 2009 03:05 EST

WASHINGTON (AP) -- "Closed captioning of this YouTube video provided by ... Google?" It's happening. Google is introducing automatic, machine-generated captions for videos on its YouTube site. The service is being launched this week and it's designed to make online videos accessible to the deaf and hearing-impaired. There are already hundreds of thousands of videos on Google sites that contain caption tracks that users have created and added manually. But with 20 hours of video uploaded to YouTube every minute -- most of the videos on the site still don't have captions. Google will use the speech-recognition technology it now uses for Google Voice to create the automatic captions.

SAN FRANCISCO (AP) -- Yahoo and Twitter are joining hands in a different kind of online "marriage." Yahoo is now sifting through the messages posted on Twitter to find fresher information about hot topics. Already, Microsoft and Google have announced plans to incorporate Twitter messages into search results. But Yahoo claims its offering makes it the first to include tweets on its main search results. As more people use Twitter, the microblogging site has turned into a resource for search engines trying to monitor what people are talking about.

CYBERSPACE (AP) -- The American Music Awards are Sunday night. And there is still time for you to cast a vote or two for this year's breakthrough artist award -- though the awards' Web site. Michael Jackson is in position to win artist of the year -- even though he died in June. He has five nominations overall. The leader is Taylor Swift, who has six. The show will be broadcast on ABC.

On the 'Net:

American Music Awards site: http://abc.go.com/shows/american-music-awards