INVERNESS, Ill.—While there are many millions of coffee drinkers who rely completely on Starbuck’s to satisfy their coffee urges, more than half of Starbuck’s customer visits come from customers who regularly visit Dunkin’ Donuts or McDonald’s for a hot beverage and/or breakfast over the course of a month.
This is among the findings of QSRdna, a massive benchmark survey of the annual shopping habits over 15,000 quick serve....