The 705 passengers and crew who were rescued after the sinking of the Titanic, 100 years ago this month, owed their lives to the newfangled technology of wireless telegraphy. Without it, no-one would have survived and we would not know where the wreck now lies.
As the Shanghai World Expo comes to a close we examine what this unique event has meant to the city, the country and the world.
A growing population plus shrinking resources could equal environmental disaster, but could ICT save the day?
