As more and more employees return to the office, by choice or by force, large companies are more interested than ever in understanding how they use the space. The pandemic fundamentally changed how and where people work, and even in the return-to-office dynamic, there is a greater focus on how to best utilize and monetize office space, as well as make it more energy-efficient. To that end, some companies are using body heat. Butlr, a 6-year-old, San Francisco-based startup that was a spinoff of MIT Media Lab, leverages body temperature technology to understand how humans act and interact in the...