http://www.computerandvideogames.com/452250/gabe-ne…erated-content/
QuoteAnswering to the latter, Newell said the industry's move towards user-generated content has influenced the development process."The biggest improvements will be in increasing productivity of content creation," he wrote."That focus is driven by the importance we see UGC having going forward. A professional developer at Valve will put up with a lot of pain that won't work if users themselves have to create content."