Pandora Radio cofounder’s Grabango raises $12 million for cashierless store tech

Cashierless stores are fast becoming a reality, thanks to Amazon’s aggressive expansion of its Amazon Go chain and an emergent class of startups looking to nab a slice of the nascent sector. It’s a win-win for retailers: With a checkout-free arrangement, customers don’t have to contend with lines or self-checkout machines, and stores save substantial overhead in payroll — theoretically, at least.