The countdown to Black Friday has begun. It’s the day when stores offer big discounts, and it has become one of the top shopping events of the year, both in the US and UK. But it's divided opinion, not just among customers but firms too, with many saying the real damage is being done to small businesses. IMRG and Barclaycard have released a new report on how SME's can maximise their Black Friday takings, and Matt Cox has been hearing from Barclaycard's Head of Small Business, Greg Liset.