As a crowd of about 200 watched, "Anonymous 9000" spoke on a big screen, his mask and white gloves lending theatrics even as he talked soberly about the inner workings of a movement that has alternately inspired, intimidated and baffled the Web.
People use the web to play games, download music, buy things, make telephone calls, share pictures and inner secrets, watch videos and television and, oh yes, search for information.
The Democratic National Committee is also taking on John McCain in a Web video calling into question his reputation as a campaign finance reformer and a maverick who stands outside the inner circles of political dealings in the nation's capital.