
The Apple Pencil goes with the iPad like jam goes with bread, right? Well... not necessarily. A new patent granted by the US Patent and Trademark Office suggests that the Pencil could potentially work on other surfaces too.
According to the filing, named Input Device with Optical Sensors, the Apple Pencil could in future work with optical sensors across a wide range of surfaces, potentially including the iPhone, MacBook Pro, Apple Watch and err... wood and paper. This could really mix up our which Apple Pencil should I buy? piece.