Instructions written in a programming language. Source code is the text that a programmer writes, but it is not directly executable by the computer. Source code must be converted into machine language ...

The typical computer user owns lots of software that he bought years ago and no longer uses today. He may have upgraded his computer or changed brands, and then the program wouldn't work any longer.

The struggle between open source and proprietary software is well understood. But the tensions permeating software circles for decades have shuffled into the artificial intelligence space, in part ...