After a bomb blast Tuesday evening in Yola, Nigeria, took the lives of at least 31 people, Facebook announced the activation of its Safety Check feature, a button that enables people in disaster areas to let their friends and family know they’re out of harm’s way. Zuckerberg made the announcement on his Facebook page. “... we made the decision to use Safety Check for more tragic events like this going forward..."

Why targeting a sporting event often feels like a direct attack at the heart of a nation […] Sport has always been seen as a manifestation of national identity. It is sometimes an outlet for our most primitive, tribal instincts, or, as the former Holland coach, Rinus Michels, put it: "Football is war."

U.N.: A military defeat of the Islamic State in Syria and Iraq could scatter extremists around the globe. Would the world be a safer place if the United States and its allies were to defeat the Islamic State in Iraq and Syria? Not necessarily, according to a senior U.N. counterterrorism official. Extremist fighters have proven remarkably adept over the past three decades at transforming themselves at the close of battles.

Reports Wednesday that three men have been arrested over plans to travel from New York to join ISIS -- and that one of them allegedly posted online about his desire to shoot the President of the United States -- is simply the latest reminder that terrorist groups and their sympathizers are exploiting the freedom of cyberspace.

Jazz musicians from around the world will gather this April in Paris for International Jazz Day, an event UNESCO Goodwill Ambassador Herbie Hancock hopes will bring an uplifting "positive message" to a city still reeling from last month's terrorist attacks.

This week, the U.S. government announced preparations to beef up its online campaign against extremist groups, especially the one known as the Islamic State, ISIS, or ISIL. Social media — especially Twitter — has become a powerful tool for extremists looking to lure potential recruits into the organization.

Progressives who believe that dialogues, conversations, engagements, conferences and summits are keys to pacifying the world have a peculiar solemnity about using certain words that are potentially insensitive. This mentality is perhaps especially acute in digitally drenched people who believe that Twitter and other social media have the power to tame turbulent reality.