And its push into VR—which Mr Zuckerberg sees as a stepping stone to augmented reality (AR), where information is superimposed on the real world—pits it against formidable rivals, too.
The ruling brings to an end a bitter culture tussle of the work Vitruvian Man showing a naked figure with outstretched arm superimposed on a circle and a square.
The final type is progressive relapsing multiple sclerosis or PRMS, which is also one constant attack but this time there are bouts superimposed during which the disability increases even faster.