Actor Ashton Kutcher triumphed over CNN in the race to be the first to have a million followers on Twitter. (Hermann J. Knippertz/Associated Press)

For now, Ashton Kutcher is the king of Twitter. But there is a new challenger — Oprah.

Kutcher triumphed over CNN in their much-ballyhooed race to be the first to reach a million followers on the microblogging website. Kutcher surpassed that benchmark in the early morning hours Friday, narrowly edging out the breaking news feed from the Time Warner Inc.-owned network.

Speaking in a live webcast early Friday, Kutcher took the tone of a revolutionary.

"We have shown the world that the new wave is here," Kutcher said on ustream.tv shortly after passing the million mark. "It is present and it is ready to explode. You guys are all of it because I can't follow me."

Kutcher had long trailed CNN, but he staged a rally in recent days that captured the attention of the web.

The million-mark race was taken by many as a symbol of the huge upswing in Twitter's popularity.

In recent months, the number of Twitter site visitors has increased exponentially. Search engine Yahoo said Friday that searches for Twitter over the past four months increased more than 5,559 per cent over the same time last year.

The site allows users to type "tweets" of 140 characters or less on their computers or cellphones, which others "follow" on Twitter like a stock ticker.

Kutcher, who's an avid user of the site along with wife Demi Moore, said Twitter is democratizing media and removing filters between celebrities and fans, big media companies and their customers.

"We can and will create our media," said Kutcher, who celebrated his victory with champagne and by posting the tweet: "Victory is ours!"

The 31-year-old Kutcher had said he would "ding-dong-ditch" CNN founder Ted Turner if he won, and pledged to make good on his promise.

Sean (Diddy) Combs was among the celebrity "Twitteratti" who supported Kutcher's run.

CNN's Larry King posted a video earlier in the week, playfully threatening Kutcher: "CNN will bury you!"

Kutcher was to appear on King's program Friday evening.

Oprah gains 130,000 followers in a day

King was far from the only person sucked into Twitter by the million-mark showdown. Among the many new users to join was Oprah Winfrey, whose entry caused ripples across Twitter.

She gained more than 130,000 followers in less than a day, suggesting Winfrey — so successful in television, magazines, books and other media — would thrive on yet another platform.

Kutcher, CNN and Winfrey pledged to mark the occasion by purchasing mosquito bed nets to combat malaria. Kutcher donated $100,000 to the Malaria No More Fund, the charity said Friday.

Winfrey hosted a Twitter special on her show Friday with Kutcher as a guest, connected through the Internet communications service Skype. She also sent her first tweet.

"I'm still not sure I get it," Winfrey said before tentatively typing "ASHTON IS NEXT" into a laptop, announcing the actor's appearance.

"OK, here goes," she said, pressing a key.

It didn't go, actually. Winfrey's representatives said she hit the wrong key. Her next attempt, also all in capital letters, went through: "HI TWITTERS. THANK YOU FOR A WARM WELCOME. FEELING REALLY 21st CENTURY."