TED Talks


The past decade has seen slow and steady economic growth across the continent of Africa. But economist Charles Robertson has a bold thesis: Africa's about to boom. He talks through a few of the indicators — from rising education levels to expanded global investment (and not just from China) — that lead him to predict rapid growth for a billion people, sooner than you may think.


 

A billion people in the world lack access to all-season roads. Could the structure of the internet provide a model for how to reach them? Andreas Raptopoulos of Matternet thinks so. He introduces a new type of transportation system that uses electric autonomous flying machines to deliver medicine, food, goods and supplies wherever they are needed.


For the young and unemployed in the world's big cities, dreams of opportunity and wealth do come true — but too often because they're heavily recruited by terrorist groups and other violent organizations. Human rights advocate Mohamed Ali draws on stories from his native Mogadishu to make a powerful case for innovation incubators for our cities' young and ambitious.

 

In 2013, international migrants sent $413 billion home to families and friends — three times more than the total of global foreign aid (about $135 billion). This money, known as remittances, makes a significant difference in the lives of those receiving it and plays a major role in the economies of many countries. Economist Dilip Ratha describes the promise of these “dollars wrapped with love” and analyzes how they are stifled by practical and regulatory obstacles.