This is how the world looks on Facebook’s population maps

Facebook's Connectivity Lab today released its high-resolution population maps for Malawi, South Africa, Ghana, Haiti and Sri Lanka, with the promise to make more datasets available over the coming months. The population maps are a joint effort betwe...

You can predict city gentrification through check-ins and tweets

Do you dread the thought of gentrification jacking up real estate prices (and stifling culture) in your neighborhood? In the future, you might only need keep tabs on social networks to know when your part of town is changing -- British researchers h...