It's fine to have social media that connects us with old friends, but we need tools that help us discover new people as well.
The benefits and consequences of globalization have a great deal to do with whether we're intelligent and thoughtful about how we approach globalization, or whether we're blindly accepting... or blindly resistant.
For countries such as Kenya to emerge as economic powerhouses, they need better infrastructure: roads, ports, smart grids and power plants. Infrastructure is expensive, and takes a long time to build. In the meantime, hackers are building 'grassroots infrastructure,' using the mobile-phone system to build solutions that are ready for market.
Moments of crisis, like the shooting in Newtown, tend to produce brief spikes of popular interest in gun control. My research on media attention suggests these spikes are extremely short-lived, and that they may be decreasing in intensity.
The uptake on mobile phones in Africa is phenomenal.