Free and open-source software uses its licenses to outline the ways in which the code can be used and distributed—proprietary licenses do the same, but generally in far more restrictive ways. A novel argument in a court case between the US Department of Justice (DoJ) and Apple seeks to turn this common practice into a morass. Essentially, the DoJ wants to compel Apple to bypass the iPhone lockscreen on a particular phone because the company legally owns the software running on the device.

смекалочка!