October 10, 2012 9:14 am Measuring Influence on Klout Joe Fernandez, co-founder of Klout.com, describes the birth of his innovative site and its index of online influence. US & World Videos 3:11 Ryan Gosling skips darker film roles because of Eva Mendes and daughters 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance