Top five social networking sites in the Netherlands, March 2011 (Total Netherlands, Age 15+, Home & Work Locations):TOTAL INTERNET: TOTAL AUDIENCE: 11,953,000 (almost unchanged compared to March 2010)Social networking: 11,490,000 (+18%)1. Hyves: 7,650,000 (-1%)2. Facebook.com: 6,556,000 (+76%)3. Twitter.com: 3,207,000 (+67%)4. Linkedin.com: 3,118,000 (+70%)5. Windows Live Profile: 2,769,000 (-5%)