MAR10 Day is this weekend and Nintendo is celebrating with a bunch of sales (and a competition)

Sunday, 10 March, is MAR10 Day. You know the one. Mario Mario (yes, that is his name), the Brooklyn-based plumber who can’t seem to land a date. It’s not his birthday or anything — that’ll be 11 October — but it is Mario Day. MAR10. You get it. And South Africa is...