Review: Sony Smartband 2 is the dumbest fitness tracker

The future is here, Sony would have you believe, and it is really, really tiny. The electronics giant aims to refresh its fitness wearables range with the latest Smartband model, adding heart rate sensing, physical notifications, and functional water resistance, all without sacrificing the sleek design. Unfortunately, such lofty goals are undermined by buggy, inconsistent performance at almost every level.
I've developed a love/hate relationship with Sony's Smartband 2 in the three we