Technology Facebook takes on Google, building own operating system Updated : December 20, 2019 06:35 AM IST Facebook has given the task to build its own OS to Mark Lucovsky, the co-author of Microsoft's OS called Windows NT. Facebook is already building AR/VR headsets like Oculus and has forayed into video calling devices like Portal that currently runs Android OS. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.