Social networks and video-sharing sites don’t always bring people closer together.

“NATION shall speak peace unto nation.” Eighty years ago, Britain’s state broadcasters adopted that motto to signal their hope that modern communications would establish new bonds of friendship between people divided by culture, political boundaries and distance.

For those who still cling to that ideal, the latest trends on the internet are depressing. Of course, as anyone would expect, governments use their official websites to boast about their achievements and to argue their corner—usually rather clunkily—in disputes about territory, symbols or historical rights and wrongs.

This article in the Economist on Cyber-nationalisme in short: It has never been easier to propagate hatred and lies.