SUMMARY
Ashton Kutcher has challenged CNN to a popularity contest on the social media site Twitter
The celebrity and the news network are racing to get 1 million followers on the micro-blogging site, where users post 140-character messages.
Kutcher challenged CNN to the race with a Web video posted on Tuesday. If he wins, Kutcher says he will "ding-dong ditch" CNN founder Ted Turner's house.
As of Wednesday afternoon, Kutcher's Twitter account had 896,947 followers, putting him in third place in the number of followers. Britney Spears was in second with about 905,640 followers, and CNN's breaking news account was watched by 937,787 people on the site.
An information technology consultant in Croatia who is interested in the outcome of the contest has been tracking the rate of new followers for CNN and Kutcher. Marin Purgar says Kutcher will beat CNN to the 1 million follower mark before 4 p.m. ET on Thursday.
Kutcher has been posting like mad to his account since challenging CNN to the battle. The celebrity -- known for the TV shows "Punk'd" and "That 70s Show," as well as for being married to actress Demi Moore -- has offered to give his millionth follower a copy of the video game "Guitar Hero."
He also says on Twitter he will donate 10,000 mosquito bed nets to charity for World Malaria Day in late April if he beats CNN, and 1,000 if he loses. CNN has agreed to do the same, Martin said.
CNN hosts Larry King and Rick Sanchez responded Tuesday to the Twitter race on CNN television. In a video message that aired on CNN's "Larry King Live," the talk show host grinned as he accepted Kutcher's challenge.
King also teased Kutcher about his threat to ring Ted Turner's doorbell and then run away, noting that Turner formerly ran CNN and is not directly associated with the network today.
Kutcher responded to the video on his Twitter account with this post: "ok larry king is now one of my new favorite people and this means war lets go tweeps."
King has invited Kutcher to appear on his show, "Larry King Live." Kutcher, saying "this is a saga for the Internet," asked King to come on his "twit show" to settle things.
The battle has gained much attention on Twitter, with fans pulling for both sides.
The battle highlights another Twitter trend: celebrities using their accounts to pump up charities and causes, not just their own fame. Kutcher may help charities fight malaria if he beats CNN, and actor Hugh Jackman posted this note on his Twitter account Tuesday, indicating he will donate $100,000 to a fan's favorite charity:
"I will donate 100K to one individual's favorite non profit organization. Of course, you must convince me why by using 140 characters or less."
So far, Jackman has received Twitter responses from people interested in combating poverty, water shortages and anti-gay discrimination, among other causes.
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