What’s Little Sister?
Little Sister is an open-source project developed during the 2018 edition of the TechOffice Hackathon from the Microsoft Innovation Center in Mons. Little Sister is a geolocation application to find people in a big enterprise with Facial recognition. It uses IP cameras of the enterprise and take temporary pictures every 5 minutes and updates the last position of the employee.
How it works?

Credit: Xavier Vercruysse