Are smart farmers' market makeovers necessary?

China's traditional farmers' markets have shed their messy past for a high-tech makeover, complete with self-checkout kiosks and digital systems. The glossy upgrades promise convenience, but can elderly shoppers who've spent decades counting change and chatting with vendors adapt as easily? Are these changes actually working for everyone—or just for those already comfortable with technology? On the show: Heyang, Steve Hatherly & Yushun