Facebook has high ambitions for its acquisition of virtual reality (VR) headgear maker Oculus. Reports indicate it aims to launch a low cost wireless headset which will not need to be tethered to a handset or PC, which it believes could popularize VR in the same way that the iPhone made mobile apps ubiquitous. Currently, VR has far more limited applications or appeal than the smartphone’s app store, but Facebook sees this as a chicken-and-egg issue – the more accessible VR technology is, the more uses will be found for it, well beyond its current heartland in gaming. And creating demand via better devices could be a trigger for mobile operators to upgrade their networks to support the low latency…