4 Media Mogul Oprah Winfrey
Tech Crunch

Oprah can do no wrong and pretty much anything she touches turns to gold. Well, she was definitely not touching a Microsoft Surface when she tweeted her love for the touch screen personal computer. Instead, Oprah posted her tweet from an iPad and it didn’t take long for everyone to notice the mistake. In her defense though, at the time there was no Twitter App for Windows 8, so there’s that.