We appear to be in the midst of a new fitness renaissance. Trendy fitness programs such as CrossFit, Zumba and SoulCycle dominate social media mentions, while many others stick with tried and true exercise favorites such as running, swimming, biking, yoga, or a gym membership. Workouts and personal records are celebrated on people’s blogs, Facebook pages, and Instagram accounts. The apparent surge in fitness enthusiasm has brought with it a flood of new products designed to take advantage of the market; perhaps none more ubiquitous than wearable fitness trackers, such as those made by FitBit, Nike, Garmin and Samsung. These devices – which can track an astounding array of data, from heart rate to blood sugar to steps taken in a day – are an excellent resource for any fitness enthusiast, or anyone looking to create a healthier lifestyle. However, the demand for wearable tech designed to track our vital information may also prove crucially important to the manner in which we collect information to be used in litigation.