With sales sluggish and flatter across much of the QSR sector, Starbucks is expanding its use of nitrogen-infused coffee as one of the lures to spike higher customer counts and comparable sales. The foamy brew will not yet be in all Starbucks markets, but it is being expanded both nationally as well as in the international arena. Originally, the company tested the product only in select stores in the Seattle market. In other Starbucks-related news, company workers continue to bemoan staffing shortages a full year after an initiative was launched by new CEO Kevin Johnson to improve speed and customer service in the chain’s US stores. The survey conducted by coworker.com, which employees began using last year to add pressure to the company over staffing reductions, was comprised of only 185 responses! Is that objective or representative??