Ask yourself, "What do I most want to improve?" Then seek a tool to help you do it.
By Catherine Price
Photo: Robert Gauthier
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The Gruve uses your body's vibrations to measure how many calories you're burning during everyday physical activities (like wrestling with laundry). Bonus: If you sit still for too long, it vibrates to remind you to get moving.
$179 (includes a one-year subscription); Gruve.com