books.google.es - Much of the innovative programming that powers the Internet, creates operating systems, and produces software is the result of "open source" code, that is, code that is freely distributed--as opposed to being kept secret--by those who write it. Leaving source code open has generated some of the most...http://books.google.es/books/about/The_Success_of_Open_Source.html?hl=es&id=ELieXMxR1h4C&utm_source=gb-gplus-shareThe Success of Open Source
