An industrial food developer pits their traditional R&#38;D model against two trendy software development methodologies: religious XP and 'open source'<p>Of course Gladwell makes his usual obvious, almost trollish mistakes, piled in great heaps: <i>"On the one hand, there was the 'open source' movement. Its patron saint was Linus Torvald, the Norwegian hacker who decided to build a free version of Unix"</i>