Today, in the weekly grocery shop, I noticed another incursion of the unicorn into a familiar brand. Kellogg's LCMs now have unicorn line, joining the Coles brand unicorn icecream cones we've been scoffing in this house of late (though I prefer the mermaid flavour). Last year, unicorn hair colour was everywhere. Then there was unicorn toast. And frappacinos. Blow up pool toys (our neighbours have one). Make-up. In fact, I’m reasonably sure if you scroll back my insta feed you’ll find a unicor...