While crowds are becoming more western in behaviour, Russia's criminal-justice system is still rooted in the Soviet past: bureaucratic, top-heavy, authoritarian.
The KDDI system, is able to detect more complex behaviour by using analytical software - held on a server back at base - to match patterns of common movements.
That kind of behaviour - whether genuine or the result of some automated system - is raising questions about Facebook's usefulness as a platform where businesses can engage with consumers.