Unless we are going to say Google, Autodesk, Adobe, and Microsoft could "do better" because they restrict their free or discounted software to personal, not for profit uses then there is no reason to get our feathers all in a ruffle over iBook Author.
If Apple offered a paid ebook creation tool and they restricted its output to their proprietary format and their store then we could talk. But that's not what they are doing. "But with this model, the author isn't permitted to sell the output of this tool anywhere else.
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Here, Chris Tozzi explores why Linux succeeded where so many similar projects, including GNU HURD and the BSDs, failed. One of the most puzzling questions about the history of free and open source is this: Why did Linux succeed so spectacularly, whereas similar attempts to build a free or open source, Unix-like operating system kernel met with considerably less success. I don't know the answer to that question.
But I have rounded up some theories, which I'd like to lay out here. First, though, let me make clear what I mean when I write that Linux was a great success. I am defining it in opposition primarily to the variety of other Unix-like operating system kernels, some of them open and some not, that proliferated around the time Linux was born.
GNU HURD, the free-as-in-freedom kernel whose development began in May 1991, is one of them. Others include Unices that most people today have never heard of, such as various derivatives of the Unix variant developed at the University of California at Berkeley, BSD; Xenix, Microsoft's take on Unix; academic Unix clones including Minix; and the original Unix developed under the auspices of ATT, which was vitally important in academic and commercial computing circles during earlier decades, but virtually disappeared from the scene by the 1990s.
I'd also like to make clear that I'm writing here about kernels, not complete operating systems. To a great extent, the Linux kernel owes its success to the GNU project as a whole, which produced the crucial tools, including compilers, a debugger and a BASH shell implementation, that are necessary to build a Unix-like operating system.