Oprah has officially joined the Twitter craze. On Friday’s live episode of The Oprah Winfrey Show, O sent her first tweet while spending an hour profiling the popular social networking site.

“HI TWITTERS. THANK YOU FOR A WARM WELCOME. FEELING REALLY 21st CENTURY.”

“hi everyone. sadie’s great. gets her rabies vaccine today,” read a later tweet.

The Queen of Talk also tweeted a reply to NBC Late Night host Jimmy Fallon, who had twittered her telling her that he was at a photoshoot at a New York deli.

hi jimmy order a reuben for me,” Oprah wrote.