As Paris Terror Attacks Unfolded, Social Media Tools Offered Help in Crisis 

As the attacks in Paris were still unfolding on Friday night, social media sites lit up as sources for information that went beyond the news. Facebook activated its Safety Checktool, which allows users in an area affected by a crisis to mark themselves or others as safe. Facebook created the tool to help in times of crisis, a spokeswoman, Anna Richardson White, said on Saturday, and it has activated it five times in the last year after natural disasters. But this was the first time it was activated for something like this, she said.

Read more