A few years ago, Apple and the manufacturer of GPUs1 british Imagination Technologies they fought a dispute involving licensing of patents and hiring employees that lasted some good months.
Here are some of the chapters of the case:
Today, about a year and a half after all this imbroglio, Imagination announced that it has just signed a new licensing agreement with Apple, lasting "multiple years" and involving "multiple uses of intellectual property" obviously, without giving much details.
The GPUs created by Imagination are the famous PowerVR, so quite capable of seeing her return to iGadgets or who knows at least the use of technologies patented by Imagination in graphics chips developed by Apple.
Or, who knows, this agreement is destined for some new product of Ma still unannounced those glasses /headset augmented / virtual reality, perhaps?