Affluent consumers don't make purchase decisions lightly. They want to get to know the company behind the products and services they buy, meaning a luxury brand's reputation is its most important asset. Diana Verde Nieto is the co-founder and CEO of Positive Luxury, a company that assesses luxury brands' commitment to social responsibility and awards qualifying brands with the Butterfly Mark. For our July report, "Affluents in France, Germany and the UK: Savvy and Demanding, Both Online and Offline," Nieto spoke with eMarketer's Karin von Abrams about how the affluent demographic—and luxury itself—has changed.