The Newsmakers: Social Media Censorship Ten years ago, Twitter was born when co founder Jack Dorsey published the first ever Tweet. But as the micro blogging site came of age it would become one of the most powerful tools of the modern era. It's role in everything from politics, to the markets and even conflicts would have a part in shaping the world in which we live. Social media dominates today's information infrastructure - with millions around the world using it as their main source of news. But increasingly, sites are regulating who can post what and where.