AppleInsider have revealed a very interesting patent by Apple to the United States Patent and Trademark office – it describes how ‘a primary iOS device such as an iPhone, remotely controls multiple secondary devices, which can also be iPhones, as slave flashes for the first handset’s on-board camera’. ‘The idea of connecting multiple iOS devices belonging to different people, the patent application can be considered a “social camera flash” system, perhaps useful in impromptu photo shoots that require more than one source of lighting. The patent application notes the primary device can be either a dedicated camera or a handset with image capture capabilities, while the slave units can be…