Honey’s value may be in its mobile app, which solved a problem retailers have struggled with for years—and could give PayPal an edge.

Earlier this week, PayPal agreed to purchase Honey, a Los Angeles-based coupon finder, for an eye-popping $4 billion. If it goes through, it will be the largest tech deal in the city’s history, and PayPal’s biggest acquisition ever. Why would any company shell out that much for a shopping tool?

— Read on www.wired.com/story/paypal-honey-4-billion-dollars/