If you work in the non-profit sector, you may have seen the #GivingTuesday hash tag floating around social media for a few years now. #GivingTuesday is a global giving movement held each year at the end of November (this year it falls on 27 November), aimed at harnessing the generosity of the public and focussing it into one day of action. It began in the US, as a way of countering the post-Thanksgiving consumerism shopping sprees of Black Friday and Cyber Monday. But what ex