Supermarket spotlight: Consumer's Gemma Rasmussen

It's been a big year already for the supermarket sector. Woolworths has rolled out a new loyalty programme, while Foodstuffs is embarking on a trial of facial recognition technology. And across the Ditch, Woolworths Australia boss Brad Banducci called it quits following a disastrous interview he gave on the issue of price gouging. Gemma Rasmussen, head of communications and campaigns at Consumer NZ, joins Kathryn to break down the developments.