Author supplied: Within the Netherlands the interest for sustainability is slowly growing. However, most organizations are still lagging behind in implementing sustainability as part of their strategy and in developing performance indicators to track their progress; not only in profit organizations …

Social media have become an important element of modern society in a short period of time. Social media are online tools to connect people; it implies the development of publication to conversation and from sending to dialogue (Social Media Update 2010, 2010, p.2). It is important to keep in mind that …