Bill Gates finally joins the Twitter revolution. It's about time!

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Microsoft founder Bill Gates has finally joined the Twitter revolution. And he gained more than 100,000 followers in less than eight hours after signing up on Wednesday (Jan. 20).

Even Ashton Kutcher is now following his Tweets. "I'd like to welcome @billgates to the twitterverse," wrote Kutcher, who has more than four million Twitter followers. Don't worry, Bill. You'll catch up.