An online “open content” encyclopedia, a Web site for the documentary film “Fog of War,” and Google were among the winners announced in the 8th annual Webby Awards. “This year’s winners are changing the way we live, from how we listen to music to how we elect a president,” said Tiffany Shlain, founder and creative director of the competition. Winners were chosen through a combination of online voting and the reviews of judges. Winners included the encyclopedia service Wikipedia.org in the best community category, Tolerance.org in activism and BBC Sport for sports. The full list of winners