Facebook and Google find the greatest challenges to Internet expansion are a lack of relevant content and awareness (Evelyn M. Rusli/Wall Street Journal)

Evelyn M. Rusli / Wall Street Journal:
Facebook and Google find the greatest challenges to Internet expansion are a lack of relevant content and awareness  —  Tech Companies Struggle to Get World on Internet  —  Google and Facebook are scrambling to reach billions of people still without Web access, but the Internet's expansion is actually slowing