I don't think the personal data of (the few) Mapillary users is of any interest to Facebook either. What they need is the personal data of the masses and for th

I don't think the personal data of (the few) Mapillary users is of any interest to Facebook either. What they need is the personal data of the masses and for that they already have and keep growing Facebook, Instagram and Whatsapp, and in that they are free to take advantage of any Open Source and Open Data like anyone else.