Research shows that businesses using data-driven decision-making, predictive analytics, and big data are more competitive and have higher returns than businesses that don’t. Because of this, the most ambitious companies are engaged in an arms race of sorts to obtain more data, from both customers and their own employees. But gathering information from the latter group in particular can be tricky. So how should companies collect valuable data about time use, activities, and relationships at work, while also respecting their employees’ boundaries and personal information?