Social media can all too easily lead us astray - and is sometimes used by very angry people.
That's according to Fr Vincent Sherlock, the parish priest of Tubbercurry-Cloonacool, writing in The Irish Catholic.
It comes as Health Minister Stephen Donnelly wants to ban social media for under-16s.
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Fr Sherlock is a regular user of Facebook - and says he still believes in social media.
Our reporter Eoghan Murphy met Fr Sherlock, and first asked him about his use of it.