CHICAGO -- More than 56,000 people have signed up to see U.S. television personality Oprah Winfrey's first message on the micro-blogging Web site Twitter.
People.com said actor Ashton Kutcher will be seen teaching Winfrey how to Twitter on Friday's episode of her chat show.
Kutcher this week became the first Twitter user to attract 1 million followers, with CNN reaching the milestone shortly after, The Chicago Tribune said.
"We will be twittering live with Oprah tomorrow. Gentleman start your search engines. lol," the Tribune quoted Kutcher as saying in a posting Thursday afternoon.
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