Oprah Winfrey's last show airs today, not just in the US, but in more than 150 other countries. Her global influence is massive. The World's Alex Gallafent reports that there are now scores of copycat shows around the world.
My 10-year-old son loves Minecraft, a popular online videogame that lets you build cities in 3D. And I'm feeling much better knowing he's not alone in his obsession, since even the UN is playing Minecraft — though for a good cause.