Reuters columnist, social media editor,
host of @ReutersTV Tech Tonic. Adjunct journalism professor at NYU. email@example.com / (678)-HEY-SOUP
http://anthonyderosa.tumblr.comNew York City
Madonna, you've been warned. The pop music sensation may be too hot for Instagram to handle. The social networking site apparently sent a message to Madonna urging her to abide by their posting guidelines and refrain from sharing photos "that show nudity or mature content."