“Warren is in the house.”

Warren Buffett – the beloved Oracle of Omaha, sage of Wall Street – dispatched those five simple words in his first tweet around noon on Thursday and within three hours collected more than 131,000 followers. The tweet was decidedly more avuncular than oracular, more wanna-be-hip-dad than Yoda of the Markets, but no one seemed to care. After all, as he said, Warren is finally in the house. (Resist the urge to throw your hands up.)

Twitter

Buffett sent the tweet during a live-streaming video interview with Fortune’s Patricia Sellers to promote an editorial he wrote for the magazine about the need to support women professionally.

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During the interview, Sellers asked if he was ready to try Twitter. Buffett replied, "Pretty daring, but I'll try." Then he asked, "Does it bite?"

After sending the tweet, he asked, "Who says you can't teach an old dog a new trick?"

The tweet was noteworthy in part because @WarrenBuffett, 82, is famously not tech savvy. He doesn’t have a computer at his desk, and although he has used a cellphone for years, he missed what could have been an important call during the Lehman Brothers collapse because he didn’t know how to check his voicemail.

He does, however, play online bridge with Bill Gates, who immediately tweeted: "Welcome to Twitter @WarrenBuffett. First ever Twitter bridge tourney starts now. I bid 3 Hearts." Gates included a link to a photo of the two playing a hand.

His tweet, coincidentally, was sent just hours after the Pope wrote a damning tweet about the effects of capitalism: "My thoughts turn to all who are unemployed, often as a result of a self-centred mindset bent on profit at any cost."

Now that Warren is in the house, what other snippits of wisdom will he impart? Will we hear more about sitting in the shade today is thanks to a tree planted yesteryear? Or that expensive suits still look cheap on him? Will he tweet about risk, or knowing who is swimming naked when the tide goes out?

Or perhaps he’ll point to that Fortune editorial, in which he writes: "Fellow males, get onboard. The closer that America comes to fully employing the talents of all its citizens, the greater its output of goods and services will be. We've seen what can be accomplished when we use 50% of our human capacity. If you visualize what 100% can do, you'll join me as an unbridled optimist about America's future."

NBC News' Isolde Raftery contributed to this story.