Technology pundits were quick to predict the demise of most fitness wristbands and smartwatches when Apple launched its Apple Watch. But healthcare professionals and fitness junkies were left wanting to see more. Observers say there is little evidence for now that the device’s fitness capabilities surpass the competition. Others, hoping for groundbreaking health features from a company whose Chief Executive Officer Tim Cook spoke of how sensors are “set to explode,” were left wondering what’s in store for the product. Two people familiar with Apple’s plans told Reuters the company is planning to unveil richer health features and additional sensors in later versions, the first iteration not hitting the market until early 2015. The sources could not be identified because Apple’s plans for the watch are private. The Apple Watch, unveiled on Thursday, is designed to be used alongside the iPhone.