![](https://assets.weforum.org/article/image/G0URbYxxfQgvqIP-pJ0HPOUCwprclcC28pVj9Nrc5fA.jpg)
Fourth Industrial Revolution
This startup reworked its privacy-friendly sensors to help battle COVID-19
Butlr used it's infrared security cameras to manage lighting and air-conditioning. During COVID-19, it is now managing store capacity and social distancing.