Ten years into the Millennium Development Goals, everyone is eager to pinpoint what will do most to power African progress.

YouTube co-founder Chad Hurley is stepping down as head of the online video-sharing superstar bought by Google for 1.65 billion dollars in 2006. “For the past two years, I’ve taken on more of an advisory role at YouTube as Salar Kamangar has led the company’s day-to-day operations,” Hurley said in a statement released by YouTube [...]