(TrendHunter.com) Panera Bread, the North American QSR chain famous for its pastries and coffees, is hosting a free coffee promotion to celebrate the end of 2021. Panera has two subscription services, ‘MyPanera&#... (TrendHunter.com) Panera Bread, the North American QSR chain famous for its pastries and coffees, is hosting a free coffee promotion to celebrate the end of 2021. Panera has two subscription services, ‘MyPanera&#...