/technologies/wearable-technology/b/blog/posts/activity-tracker-saves-your-volleyball-jumping-stats-and-moreVERT device to track your vertical jumps (via VERT )New to the market is yet another activity tracker with, um, a very niche market. Most activity trackers will trace activities like walking, running, distance traveled, calories burned, and more. Thisen-USTelligent Community 12