A new job posting reveals that Apple is already thinking about how to bring fitness features to its long-rumored smart glasses. What the Apple smart glasses fitness features job listing saysApple job listings sometimes reveal where the company is placing its long-term bets. Sensor-driven features could pair well with Apple Fitness+The job listing also says Apple needs someone to focus on “sensor-driven experiences.” Apple’s goals for bringing fitness features to its smart glasses sound pretty sophisticated, too. Smart glasses could follow the Apple Watch playbookApple’s smart glasses remain at least a year from launch.