Facebook has always been controversial, with many users worrying about how the information they post might be used. Lately, the social media behemoth has also been criticised for facilitating the spread of fake news.
But over the past 18 months I have learned that the technology of Facebook groups offers an effective way for people to collaborate on common interests – in my case, on enhancing the sustainability of our homes and lifestyles.
As part of a research project, I created a public Facebook group where members initially discussed and decoded a

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