L'Oreal Paris is the latest brand to try responsive design, a way to make web sites scalable to different devices. The new LOrealParisUSA.com is meant to give users an experience based his or her preferences. According to L’Oreal Paris, the idea is that the experience will adapt to users’ needs based on how, when and why they’re accessing the site. L'Oreal and others are using data to customize their messaging and Web content on the fly.