There’s a lot of pressure to appear happy on the internet – but there are also times when you’ll see genuinely sad posts from friends who are looking to the Web as their resource to vent and get help. Facebook realizes this, and is now globally rolling out a tool that lets you anonymous flag posts of friends you fear are potentially suicidal. The tool works much like a regular button that lets you report posts, but you can choose to let Facebook reach out to that friend and offer a helpline or supporting materials to guide them through their difficult time. Previously,…

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