Swipe, Post, Deal: How Facebook Groups Quietly Became the Heart of the e-Reader Card Market
eBay gets all the headlines, but the real action in the e-Reader card economy has quietly migrated somewhere else entirely: local and niche Facebook Groups where collectors haggle, trade, and build reputations one post at a time. We went inside these digital trading posts to find out how they work, who runs them, and why they've become the most influential force in e-Reader card pricing that nobody's really talking about.