“Her device transmits a low-power wireless signal throughout a space the size of a one- or two-bedroom apartment (even through walls), and the signal reflects off people’s bodies. The device then uses machine learning to analyze those reflected signals and extract physiological data.” After yesterday’s Apple keynote highlighting the health benefits of their watch, wearables have arrived. But surroundables are coming soon. MIT Tech Review: Soon your doctor will be able to wirelessly track your health—even through walls.

+ And from me: A few thoughts about the Apple Watch and how the world’s most secretive company gave us a clue about what they really think.