Street Fight Daily: Groupon Revenues Up, AmEx App Serves Deals

A roundup of today’s big stories in hyperlocal content, commerce, and technology...

Sharp Revenue Increase for Groupon Gives Stock a Boost (Chicago Tribune)…

AmEx App to Blast Daily Deals Based on Your Payment History (Mashable)…

With Smartphone-Assisted Shopping, How You Shop Depends On Where You Shop (TechCrunch)…