After spending as much on digital in 2011 as it did the prior two years combined, L'Oreal is devoting more than 10% of its marketing to digital in the U.S. Now L'Oreal USA CMO Marc Speichert, who has made developing the company's digital-marketing capability a centerpiece of his work since joining from Colgate-Palmolive Co. in 2010, is taking some time to evaluate how that effort has paid off. The verdict: He's pretty happy.